The Wordsmith Dictionary

ELECTROPOION; ELECTROPOION FLUID E *lec `tro *poi "on, n., or Electropoion fluid. [NL. ; electro- + Gr. poiw ^n, p. pr. of poiei ^n to make. ] (Elec.)

Defn: An exciting and depolarizing acid solution used in certain cells or batteries, as the Grenet battery. Electropoion is best prepared by mixing one gallon of concentrated sulphuric acid diluted with three gallons of water, with a solution of six pounds of potassium bichromate in two gallons of boiling water. It should be used cold.

ELECTRO-POLAR

ELECTRO-POLAR E *lec `tro-po "lar, a. (Physics )

Defn: Possessing electrical polarity; positively electrified at one end, or on one surface, and negatively at the other; -- said of a conductor.

ELECTRO-POSITIVE

ELECTRO-POSITIVE E *lec `tro-pos "i *tive, a.

1. (Physics )

Defn: Of such a nature relatively to some other associated body or bodies, as to tend to the negative pole of a voltaic battery, in electrolysis, while the associated body tends to the positive pole; - - the converse or correlative of electro-negative.

Note: An element that is electro-positive in one compound may be electro-negative in another, and vice versa.

2. (Chem. )

Defn: Hence: Positive; metallic; basic; -- distinguished from negative, nonmetallic, or acid.

ELECTRO-POSITIVE

ELECTRO-POSITIVE E *lec `tro-pos "i *tive, n. (Chem. & Physics )

Defn: A body which passes to the negative pole in electrolysis.

ELECTRO-PUNCTURATION; ELECTRO-PUNCTURING

ELECTRO-PUNCTURATION; ELECTRO-PUNCTURING E *lec `tro-punc `tu *ra "tion, E *lec `tro-punc `tur *ing, n. (Med. )

Defn: See Electropuncture.

ELECTRO-PUNCTURE

ELECTRO-PUNCTURE E *lec `tro-punc `ture, n. (Med. )

Defn: An operation that consists in inserting needless in the part affected, and connecting them with the poles of a galvanic apparatus.

ELECTROSCOPE

E *lec "tro *scope, n. Etym: [Electro- + -scope: cf. F. électroscope.](Physics )

Defn: An instrument for detecting the presence of electricity, or changes in the electric state of bodies, or the species of electricity present, as by means of pith balls, and the like. Condensing electroscope (Physics ), a form of electroscope in which an increase of sensibility is obtained by the use of a condenser.

ELECTROSCOPIC

ELECTROSCOPIC E *lec `tro *scop "ic, a.

Defn: Relating to, or made by means of, the electroscope.

ELECTROSTATIC

ELECTROSTATIC E *lec `tro *stat "ic, a.

Defn: Pertaining to electrostatics.

ELECTROSTATICS

ELECTROSTATICS E *lec `tro *stat "ics, n. (Physics )

Defn: That branch of science which treats of statical electricity or electric force in a state of rest.

ELECTRO-STEREOTYPE

ELECTRO-STEREOTYPE E *lec `tro-ste "re *o *type, n.

Defn: Same as Electrotype.

ELECTRO-TELEGRAPHIC

ELECTRO-TELEGRAPHIC E *lec `tro-tel `e *graph "ic, a.

Defn: Pertaining to the electric telegraph, or by means of it.

ELECTRO-TELEGRAPHY

ELECTRO-TELEGRAPHY E *lec `tro-te *leg "ra *phy, n.

Defn: The art or science of constructing or using the electric telegraph; the transmission of messages by means of the electric telegraph.

ELECTRO-THERAPEUTICS

ELECTRO-THERAPEUTICS E *lec `tro-ther `a *peu "tics, n. (Med. )

Defn: The branch of medical science which treats of the applications agent.

ELECTRO-THERMANCY

ELECTRO-THERMANCY E *lec `tro-ther "man *cy, n.

Defn: That branch of electrical science which treats of the effect of an electric current upon the temperature of a conductor, or a part of a circuit composed of two different metals.

ELECTRO-TINT

ELECTRO-TINT E *lec "tro-tint `, n. (Fine Arts )

Defn: A style of engraving in relief by means of voltaic electricity. A picture is drawn on a metallic plate with some material which resists the fluids of a battery; so that, in electro-typing, the parts not covered by the varnish, etc. , receive a deposition of metal, and produce the required copy in intaglio. A cast of this is then the plate for printing.

ELECTROTONIC

ELECTROTONIC E *lec `tro *ton "ic, a.

1. (Physics )

Defn: Of or pertaining to electrical tension; -- said of a supposed peculiar condition of a conducting circuit during its exposure to the action of another conducting circuit traversed by a uniform electric current when both circuits remain stationary. Faraday.

2. (Physiol.)

Defn: Relating to electrotonus; as, the electrotonic condition of a nerve.

ELECTROTONIZE

ELECTROTONIZE E `lec *trot "o *nize, v. t. (Physiol.)

Defn: To cause or produce electrotonus.

ELECTROTONOUS

ELECTROTONOUS E `lec *trot "o *nous, a.

Defn: Electrotonic.

ELECTROTONUS

E `lec *trot "o *nus, n. Etym: [NL. , fr. combining form electro- + Gr. (Physiol.)

Defn: The modified condition of a nerve, when a constant current of electricity passes through any part of it. See Anelectrotonus, and Catelectrotonus.

ELECTROTYPE

E *lec "tro *type, n. Etym: [Electro- + -type. ]

Defn: A facsimile plate made by electrotypy for use in printing; also, an impression or print from such plate. Also used adjectively.

Note: The face of an electrotype consists of a shell of copper, silver, or the like, produced by the action of an electrical current upon a plate of metal and a wax mold suspended in an acid bath and connected with opposite poles of the battery. It is backed up with a solid filling of type metal.

ELECTROTYPE

E *lec "tro *type, v. t. [imp. & p. p. Electrotyped; p. pr. & vb. n.Electrotyping. ]

Defn: To make facsimile plates of by the electrotype process; as to electrotype a page of type, a book, etc. See Electrotype, n.

ELECTROTYPER

ELECTROTYPER E *lec "tro *ty `per, n.

Defn: One who electrotypes.

ELECTROTYPIC

ELECTROTYPIC E *lec `tro *typ "ic, a.

Defn: Pertaining to, or effected by means of, electrotypy.

ELECTROTYPING

ELECTROTYPING E *lec "tro *ty `ping, n.

Defn: The act or the process of making electrotypes.

ELECTROTYPY

ELECTROTYPY E *lec "tro *ty `py, n.

Defn: The process of producing electrotype plates. See Note under Electrotype, n.

ELECTRO-VITAL

ELECTRO-VITAL E *lec `tro-vi "tal, a.

Defn: Derived from, or dependent upon, vital processes; -- said of certain electric currents supposed by some physiologists to circulate in the nerves of animals.

ELECTRO-VITALISM

ELECTRO-VITALISM E *lec `tro-vi "tal *ism, n. (Physiol.)

Defn: The theory that the functions of living organisms are dependent upon electricity or a kindred force.

New American Oxford Dictionary

electro

e lec tro |iˈlektrō əˈlɛktroʊ | ▶noun ( pl. electros ) 1 short for electrotype or electroplate. 2 a style of dance music with a fast beat and synthesized backing track.

electro-

electro- |əˈlɛktroʊ | ▶comb. form 1 relating to or caused by electricity; involving electricity and …: electroconvulsive | electromagnetism. 2 relating to music characterized by the use of synthesizers or electronically created sounds: electropop.

electroacoustic

e lec tro a cous tic |iˌlektrōəˈko͞ostik ɪˌlɛktroʊəˈkustɪk | ▶adjective involving the direct conversion of electrical into acoustic energy or vice versa. • (of a guitar ) having both a pickup and a reverberating hollow body. ▶noun an electroacoustic guitar.

electro-acupuncture

e lec tro-ac u punc ture (also electroacupuncture ) ▶noun acupuncture in which the needles used carry a mild electric current.

electrocardiogram

e lec tro car di o gram |iˌlektrōˈkärdēəˌgram əˌlɛktroʊˈkɑrdioʊˌɡræm |(abbr.: ECG or EKG ) ▶noun Medicine a record or display of a person's heartbeat produced by electrocardiography.

electrocardiograph

e lec tro car di o graph |iˌlektrōˈkärdiəˌgraf əˌlɛktroʊˈkɑrdɪəɡræf |(abbr.: ECG or EKG ) ▶noun a machine used for electrocardiography.

electrocardiography

e lec tro car di og ra phy |iˌlektrōˌkärdēˈägrəfē əˌlɛktroʊˌkɑrdiˈɑɡrəfi |(abbr.: ECG or EKG ) ▶noun the measurement of electrical activity in the heart and the recording of such activity as a visual trace (on paper or on an oscilloscope screen ), using electrodes placed on the skin of the limbs and chest. DERIVATIVES e lec tro car di o graph ic |-ˌkärdiəˈgrafik |adjective

electrocautery

e lec tro cau ter y |iˌlektrōˈkôtərē əˌlɛktroʊˈkɔdəri | ▶noun cautery using a needle or other instrument that is electrically heated.

electrochemistry

electrochromism

e lec tro chrom ism |iˌlektrōˈkrōˌmizəm əˌlɛktroʊˈkroʊmɪzəm | ▶noun Chemistry the property of certain dyes of changing color when placed in an electric field. DERIVATIVES e lec tro chro mic |-ˈkrōmik |adjective

electrocoagulation

e lec tro co ag u la tion |iˈlektrōkōˌagyəˈlāSHən əˌlɛktroʊˌkoʊˌæɡjəˈleɪʃən | ▶noun the coagulation of blood or other tissues by the local application of an electric current to produce concentrated heat.

electroconvulsive

e lec tro con vul sive |iˌlektrōkənˈvəlsiv əˌlɛktroʊkənˈvəlsɪv | ▶adjective of or relating to the treatment of mental illness by the application of electric shocks to the brain.

electrocorticogram

e lec tro cor ti co gram |iˌlektrōˈkôrtikōˌgram əˌlɛktroʊˈkɔrdəkoʊɡræm | ▶noun Physiology a chart or record of the electrical activity of the brain made using electrodes in direct contact with it.

electrocute

e lec tro cute |iˈlektrəˌkyo͞ot əˈlɛktrəˌkjut | ▶verb [ with obj. ] injure or kill someone by electric shock: a man was electrocuted when he switched on the Christmas tree lights. • execute (a convicted criminal ) by means of the electric chair. DERIVATIVES e lec tro cu tion |iˌlektrəˈkyo͞oSHən |noun ORIGIN late 19th cent.: from electro-, on the pattern of execute .

electrocyte

e lec tro cyte |iˈlektrəˌsīt əˈlɛktrəsaɪt | ▶noun Zoology a modified muscle or nerve cell that generates electricity in the electric organ of certain fishes.

electrode

e lec trode |iˈlektrōd əˈlɛktroʊd | ▶noun a conductor through which electricity enters or leaves an object, substance, or region. ORIGIN mid 19th cent.: from electric + Greek hodos ‘way, ’ on the pattern of anode and cathode .

electrodermal

e lec tro der mal |iˌlektrōˈdərməl əˌlɛktroʊˈdərməl | ▶adjective of or relating to measurement of the electrical conductivity of the skin, esp. as an indicator of someone's emotional responses.

electrodialysis

e lec tro di al y sis |iˌlektrōdīˈaləsis əˌlɛktroʊˌdaɪˈæləsəs | ▶noun Chemistry dialysis in which the movement of ions is aided by an electric field applied across the semipermeable membrane.

electrodynamics

e lec tro dy nam ics |iˌlektrōdīˈnamiks əˈlɛktroʊˌdaɪˈnæmɪks | ▶plural noun [ usu. treated as sing. ] the branch of mechanics concerned with the interaction of electric currents with magnetic fields or with other electric currents. DERIVATIVES e lec tro dy nam ic adjective

electrodynamometer

e lec tro dy na mom e ter |iˌlektrōˌdīnəˈmämitər əˌlɛktroʊˌdaɪnəˈmɑmɪtər | ▶noun an instrument that measures electric current by indicating the strength of repulsion or attraction between the magnetic fields of two sets of coils, one fixed and one movable.

electroencephalogram

e lec tro en ceph a lo gram |iˌlektrōənˈsefələˌgram əˌlɛktroʊənˈsɛfələɡræm |(abbr.: EEG ) ▶noun a test or record of brain activity produced by electroencephalography.

electroencephalograph

e lec tro en ceph a lo graph |iˌlektrōənˈsefələˌgraf əˌlɛktroʊənˈsɛfələɡræf |(abbr.: EEG ) ▶noun a machine used for electroencephalography.

electroencephalography

e lec tro en ceph a log ra phy |iˌlektrōənˌsefəˈlägrəfē əˌlɛktroʊənsəfəˈlɑɡrəfi | ▶noun the measurement of electrical activity in different parts of the brain and the recording of such activity as a visual trace (on paper or on an oscilloscope screen ).

electrofish

e lec tro fish |iˈlektrəˌfiSH əˌlɛktrəˌfɪʃ | ▶verb [ with obj. ] fish (a stretch of water ) using electrocution or a weak electric field.

electrofusion

e lec tro fu sion |iˌlektrōˈfyo͞oZHən ɪˌlɛktroʊˈfjuʒən | ▶noun fusion (in cells or other materials ) that is induced by the application of electric current: the shell and center are joined by electrofusion, with the reconstructed embryo retaining most of the mother's DNA.

electrogenic

e lec tro gen ic |iˌlektrōˈjenik əˌlɛktroʊˈʤɛnɪk | ▶adjective Physiology producing a change in the electrical potential of a cell.

electro-hydraulic

electro-hydraul ¦ic ▶adjective relating to or denoting a hydraulic system that is powered or controlled electrically.

electrojet

e lec tro jet |iˈlektrəˌjet əˈlɛktrəʤɛt | ▶noun an intense electric current that occurs in a narrow belt in the lower ionosphere, esp. in the region of strong auroral displays.

electrokinetic

e lec tro ki net ic |iˌlektrōkəˈnetik əˌlɛktroʊkəˈnɛtɪk | ▶adjective of or relating to the flow of electricity.

electroless

e lec tro less |iˈlektrōlis ɪˈlɛktroʊlɪs | ▶adjective relating to or denoting nickel plating using chemical means, as opposed to electroplating.

electrolier

e lec tro lier |iˌlektrəˈlir ɪˈlɛktrəlɪr | ▶noun a chandelier in which the lights are electrical. ORIGIN late 19th cent.: from electro-, on the pattern of chandelier .

electrologist

e lec trol o gist |ilekˈträləjist ɪlɛkˈtrɑləʤɪst | ▶noun a person trained to remove unwanted hair on the body or face or small blemishes on the skin by a method that involves the application of heat using an electric current.

electroluminescence

e lec tro lu mi nes cence |iˌlektrōˌlo͞oməˈnesəns əˌlɛktroʊˌluməˈnɛsns | ▶noun Chemistry luminescence produced electrically, esp. in a phosphor by the application of a voltage. DERIVATIVES e lec tro lu mi nes cent adjective

electrolysis

e lec trol y sis |ilekˈträləsis, ˌēlek -əˌlɛkˈtrɑləsəs | ▶noun 1 Chemistry chemical decomposition produced by passing an electric current through a liquid or solution containing ions. 2 the removal of hair roots or small blemishes on the skin by the application of heat using an electric current. DERIVATIVES e lec tro lyt ic |iˌlektrəˈlitik |adjective, e lec tro lyt i cal |iˌlektrəˈlitikəl |adjective, e lec tro lyt i cal ly |iˌlektrəˈlitik (ə )lē |adverb

electrolyte

e lec tro lyte |iˈlektrəˌlīt əˈlɛktrəˌlaɪt | ▶noun a liquid or gel that contains ions and can be decomposed by electrolysis, e.g., that present in a battery. • (usu. electrolytes ) Physiology the ionized or ionizable constituents of a living cell, blood, or other organic matter. ORIGIN mid 19th cent.: from electro- + Greek lutos ‘released ’ (from luein ‘loosen ’).

electrolytic cell

e lec tro lyt ic cell |iˌlektəˈlitik ɪˌlɛktəˌlɪtɪk ˈsel | ▶noun 1 a cell in which electrolysis occurs, consisting of an electrolyte through which current from an external source is passed, by a system of electrodes, in order to produce an electrochemical reaction. 2 a cell consisting of an electrolyte, its container, and two electrodes, in which the electrochemical reaction between the electrodes and the electrolyte produces an electric current.

electrolyze

e lec tro lyze |iˈlektrəˌlīz əˈlɛktrəlaɪz | ▶verb [ with obj. ] subject to or treat by electrolysis: when you electrolyze water, it splits into hydrogen and oxygen. DERIVATIVES e lec tro lyz er noun ORIGIN mid 19th cent.: from electrolysis, on the pattern of analyze .

electromagnet

e lec tro mag net |iˈlektrōˌmagnit ɪˈlektroʊmæɡnət | ▶noun Physics a soft metal core made into a magnet by the passage of electric current through a coil surrounding it.

electromagnetic

e lec tro mag net ic |iˌlektrōmagˈnetik ɪlektroʊmæɡˈnetɪk | ▶adjective of or relating to the interrelation of electric currents or fields and magnetic fields. DERIVATIVES e lec tro mag net i cal ly |-(ə )lē |adverb

electromagnetic field

e lec tro mag net ic field ▶noun Physics a field of force that consists of both electric and magnetic components, resulting from the motion of an electric charge and containing a definite amount of electromagnetic energy.

electromagnetic pulse

e lec tro mag net ic pulse ▶noun an intense pulse of electromagnetic radiation, esp. one generated by a nuclear explosion and occurring high above the earth's surface.

electromagnetic radiation

e lec tro mag net ic ra di a tion ▶noun Physics a kind of radiation including visible light, radio waves, gamma rays, and X-rays, in which electric and magnetic fields vary simultaneously.

electromagnetic spectrum

e lec tro mag net ic spec trum ▶noun Physics the range of wavelengths or frequencies over which electromagnetic radiation extends.

electromagnetic units

e lec tro mag net ic u nits ▶plural noun Physics a largely obsolete system of electrical units derived primarily from the magnetic properties of electric currents.

electromagnetism

e lec tro mag net ism |iˌlektrōˈmagnəˌtizəm ɪlektroʊˈmæɡnətɪzəm | ▶noun the interaction of electric currents or fields and magnetic fields. • the branch of physics concerned with this.

electromechanical

e lec tro me chan i cal |iˌlektrōməˈkanikəl əˌlɛktrəməˈkænəkəl | ▶adjective of, relating to, or denoting a mechanical device that is electrically operated.

electrometer

electromotive

e lec tro mo tive |iˌlektrəˈmōtiv əˌlɛktrəˈmoʊdɪv | ▶adjective Physics producing or tending to produce an electric current.

electromotive force

e lec tro mo tive force (abbr.: emf ) ▶noun Physics a difference in potential that tends to give rise to an electric current.

electromyogram

e lec tro my o gram |iˌlektrōˈmīəˌgram əˌlɛktroʊˈmaɪəɡræm | ▶noun Medicine a record or display produced by electromyography.

electromyography

e lec tro my og ra phy |iˌlektrōmīˈägrəfē əˌlɛktroʊmaɪˈɑɡrəfi | ▶noun the recording of the electrical activity of muscle tissue, or its representation as a visual display or audible signal, using electrodes attached to the skin or inserted into the muscle. DERIVATIVES e lec tro my o graph |-ˈmīəˌgraf |noun, e lec tro my o graph ic |-ˌmīəˈgrafik |adjective, e lec tro my o graph i cal ly |-ˌmīəˈgrafik (ə )lē |adverb

electron

e lec tron |iˈlekˌträn əˈlɛkˌtrɑn | ▶noun Physics a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids. The electron's mass is about 9 × 10 −28 g, 1,836 times less than that of the proton. Electrons orbit the positively charged nuclei of atoms and are responsible for binding atoms together in molecules and for the electrical, thermal, optical, and magnetic properties of solids. Electric currents in metals and in semiconductors consist of a flow of electrons, and light, radio waves, X-rays, and much heat radiation are all produced by accelerating and decelerating electrons. ORIGIN late 19th cent.: from electric + -on .

electron beam

e lec tron beam ▶noun Physics a stream of electrons in a gas or vacuum.

electron-dense

e lec tron-dense ▶adjective (of biological specimens ) allowing the passage of few electrons, and so appearing dark in electron micrographs.

electron diffraction

e lec tron dif frac tion ▶noun Physics the diffraction of a beam of electrons by atoms or molecules, used esp. for determining crystal structures.

electronegative

e lec tro neg a tive |iˌlektrəˈnegətiv əˌlɛktrəˈnɛɡədɪv | ▶adjective 1 Physics electrically negative. 2 Chemistry (of an element ) tending to acquire electrons and form negative ions in chemical reactions. DERIVATIVES e lec tro neg a tiv i ty |iˌlektrōˌnegəˈtivitē, ēˈˌlektrōˌnegəˈtivədē |noun electronegative ( sense 2 )

electron gun

e lec tron gun |əˈlɛkˌtrɑn | ▶noun Physics a device for producing a narrow stream of electrons from a heated cathode.

electronic

e lec tron ic |ilekˈtränik, ˌēlek -əˌlɛkˈtrɑnɪk | ▶adjective 1 (of a device ) having or operating with the aid of many small components, esp. microchips and transistors, that control and direct an electric current: an electronic calculator. • (of music ) produced by electronic instruments. • of or relating to electronics: a degree in electronic engineering. 2 of or relating to electrons. 3 carried out or accessed by means of a computer or other electronic device, esp. over a network: electronic banking. DERIVATIVES e lec tron i cal ly |-(ə )lē |adverb ORIGIN early 20th cent.: from electron + -ic .

electronica

electronica |ɪlɛkˈtrɒnɪkə | ▶noun [ mass noun ] 1 a popular style of music deriving from techno and rave and having a more ambient, esoteric, or cerebral quality. 2 electronic devices or technology considered collectively. ORIGIN 1990s: from electronic + -a 2 .

electronic flash

e lec tron ic flash ▶noun Photography a flash from a gas-discharge tube, used in high-speed photography.

electronic mail

e lec tron ic mail |əˌlɛkˈtrɑnɪk ˈmeɪl | ▶noun another term for e-mail.

electronic music

e lec tron ic mu sic ▶noun music performed using synthesizers and other electronic instruments.

electronic organizer

e lec tron ic or gan iz er |əˌlɛkˈtrɑnɪk | ▶noun a pocket-sized computer used for storing and retrieving information such as addresses and appointments.

electronic publishing

e lec tron ic pub lish ing |əˌlɛkˈtrɑnɪk | ▶noun the issuing of books and other material in machine-readable form rather than on paper.

electronics

e lec tron ics |ilekˈträniks, ˌēlek -əˌlɛkˈtrɑnɪks | ▶plural noun [ usu. treated as sing. ] the branch of physics and technology concerned with the design of circuits using transistors and microchips, and with the behavior and movement of electrons in a semiconductor, conductor, vacuum, or gas: electronics is seen as a growth industry | [ as modifier ] : electronics engineers. • [ treated as pl. ] circuits or devices using transistors, microchips, and other components.

electronic tagging

e lec tron ic tag ging |əˌlɛkˈtrɑnɪk | ▶noun the attaching of electronic markers to people or goods for monitoring purposes, e.g., to track offenders under house arrest or to deter shoplifters.

electron lens

e lec tron lens ▶noun Physics a device for focusing a stream of electrons by means of electric or magnetic fields.

electron microscope

e lec tron mi cro scope |əˈlɛkˌtrɑn | ▶noun Physics a microscope with high magnification and resolution, employing electron beams in place of light and using electron lenses.

electron optics

e lec tron op tics ▶plural noun [ treated as sing. ] the branch of physics that deals with the behavior of electrons and electron beams in magnetic and electric fields.

electron pair

e lec tron pair ▶noun 1 Chemistry two electrons occupying the same orbital in an atom or molecule. 2 Physics an electron and a positron produced in a high-energy reaction.

electron spin resonance

e lec tron spin res o nance (abbr.: ESR ) ▶noun Physics a spectroscopic method of locating electrons within the molecules of a paramagnetic substance.

electron tube

e lec tron tube ▶noun Physics an evacuated or gas-filled tube in which a current of electrons flows between electrodes.

electron volt

e lec tron volt (abbr.: eV ) ▶noun Physics a unit of energy equal to the work done on an electron in accelerating it through a potential difference of one volt.

electrooculogram

e lec tro oc u lo gram |iˌlektrōˈäkyələˌgram əˌlɛktroʊˈɑkjələɡræm | ▶noun a record produced by electrooculography.

electrooculography

e lec tro oc u log ra phy |iˌlektrōˌäkyəˈlägrəfē əˌlɛktroʊˌɑkjəˈlɑɡrəfi | ▶noun the measurement of the electrical potential between electrodes placed at points close to the eye, used to investigate eye movements esp. in physiological research. DERIVATIVES e lec tro oc u lo graph ic |-ləˈgrafik |adjective

electrooptics

e lec tro op tics |iˌlektrōˈäptiks əˌlɛktroʊˈɑptɪks | ▶plural noun [ treated as sing. ] the branch of science that deals with the effect of electric fields on light and on the optical properties of substances. DERIVATIVES e lec tro op tic adjective, e lec tro op ti cal |-ˈäptikəl |adjective

electroosmosis

e lec tro os mo sis |iˌlektrō -äzˈmōsis, -äs- əˌlɛktroʊɑzˈmoʊsɪs | ▶noun osmosis under the influence of an electric field. DERIVATIVES e lec tro os mot ic |-ˈmätik |adjective

electrophilic

e lec tro phil ic |iˌlektrəˈfilik əˌlɛktrəˈfɪlɪk | ▶adjective Chemistry (of a molecule or group ) having a tendency to attract or acquire electrons. Often contrasted with nucleophilic. DERIVATIVES e lec tro phile |iˈlektrəˌfīl |noun

electrophoresis

e lec tro pho re sis |iˌlektrəfəˈrēsis əˌlɛktrəfəˈrisɪs | ▶noun Physics & Chemistry the movement of charged particles in a fluid or gel under the influence of an electric field. DERIVATIVES e lec tro pho rese |-ˈrēs |verb, e lec tro pho ret ic |-ˈretik |adjective, e lec tro pho ret i cal ly |-ˈretik (ə )lē |adverb ORIGIN early 20th cent.: from electro- + Greek phorēsis ‘being carried. ’

electrophorus

e lec troph o rus |iˌlekˈträfərəs əˌlɛkˈtrɑfərəs | ▶noun Physics a device for repeatedly generating static electricity by induction. ORIGIN late 18th cent.: from electro- + Greek -phoros ‘bearing. ’

electrophysiology

electroplate

e lec tro plate |iˈlektrəˌplāt əˈlɛktrəˌpleɪt | ▶verb [ with obj. ] (usu. as noun electroplating ) coat (a metal object ) by electrolytic deposition with chromium, silver, or another metal. ▶noun electroplated articles. DERIVATIVES e lec tro plat er noun

electroplax

e lec tro plax |iˈlektrōˌplaks əˈlɛktroʊplæks |(also electroplaque |-ˌplak |) ▶noun Zoology each of a number of flattened plates of protoplasm that make up the electric organ of certain fishes, e.g., the electric eel.

electroplexy

electroplexy |ɪˈlɛktrəplɛksi | ▶noun [ mass noun ] Brit. dated electroconvulsive therapy. ORIGIN 1950s: from electro- + apoplexy .

electropolish

e lec tro pol ish |iˈlektrōˌpäliSH əˈlɛktroʊˌpɑlɪʃ | ▶verb [ with obj. ] (often as noun electropolishing ) give a shiny surface to (metal ) using electrolysis.

electropop

e lec tro pop |əˈlektrōpôp əˈlɛktroʊpɔp | ▶noun a style of popular music characterized by the use of electronically created sounds, with a synthesizer as the primary instrument.

electroporation

e lec tro po ra tion |iˌlektrōpəˈrāSHən ɪˌlɛktroʊpəˈreɪʃən | ▶noun Biology the action or process of introducing DNA or chromosomes into bacteria or other cells using a pulse of electricity to briefly open the pores in the cell membranes. DERIVATIVES e lec tro po rate |-ˈpôrˌāt |verb

electropositive

e lec tro pos i tive |iˌlektrəˈpäzitiv əˌlɛktrəˈpɑzədɪv | ▶adjective 1 Physics electrically positive. 2 Chemistry (of an element ) tending to lose electrons and form positive ions in chemical reactions.

electroreception

e lec tro re cep tion |iˌlektrōriˈsepSHən əˌlɛktroʊrəˈsɛpʃən | ▶noun the detection by an aquatic animal of electric fields or currents. DERIVATIVES e lec tro re cep tor |-ˈseptər |noun

electroretinogram

e lec tro ret i no gram |iˌlektrōˈretn -ōˌgram əˌlɛktroʊˈrɛtnoʊɡræm | ▶noun a record of the electrical activity of the retina, used in medical diagnosis and research.

electroscope

e lec tro scope |iˈlektrəˌskōp əˈlɛktrəskoʊp | ▶noun Physics an instrument for detecting and measuring electricity, esp. as an indication of the ionization of air by radioactivity. DERIVATIVES e lec tro scop ic |iˌlektrəˈskäpik |adjective

electro-selective pattern

electro-selective pattern (abbrev.: ESP ) ▶noun Photography a mode of automatic light-metering in a camera which compensates for differences in the brightness of the central and peripheral portions of the image.

electroshock

e lec tro shock |iˈlektrəˌSHäk əˈˌlɛktroʊˈˌʃɑk | ▶adjective [ attrib. ] of or relating to medical treatment by means of electric shocks: electroshock therapy.

electrosomatic

e lec tro so mat ic |iˌlektrōsəˈmatik əˌlɛktroʊsəˈmætɪk | ▶adjective 1 pertaining to electronic devices implanted in an organism. 2 pertaining to electrical fields within an organism.

electrostatic

e lec tro stat ic |iˌlektrəˈstatik ɪlektroʊˈstætɪk | ▶adjective Physics of or relating to stationary electric charges or fields as opposed to electric currents. ORIGIN mid 19th cent.: from electro- + static, on the pattern of hydrostatic .

electrostatic generator

e lec tro stat ic gen er a tor ▶noun any of various devices used to build up an electric charge to an extreme potential in order to generate electricity, esp. the Van de Graaf generator.

electrostatic precipitator

e lec tro stat ic pre cip i ta tor ▶noun a device that removes suspended dust particles from a gas or exhaust by applying a high-voltage electrostatic charge and collecting the particles on charged plates.

electrostatics

e lec tro stat ics |iˌlektrəˈstatiks əˌlɛktroʊˈstætɪks | ▶plural noun [ treated as sing. ] Physics the study of stationary electric charges or fields as opposed to electric currents.

electrostatic units

e lec tro stat ic u nits ▶plural noun a system of units based primarily on the forces between electric charges.

electrosurgery

e lec tro sur ger y |iˌlektrōˈsərjərē ɪˌlɛktroʊˈsərdʒəri | ▶noun surgery using a high-frequency electric current to heat and so cut tissue with great precision. DERIVATIVES e lec tro sur gi cal |-ˈsərjikəl |adjective

electrotechnology

electrotherapy

electrothermal

e lec tro ther mal |iˌlektrəˈTHərməl əˌlɛktrəˈθərməl | ▶adjective Physics of or relating to heat derived from electricity.

electrotype

e lec tro type |iˈlektrəˌtīp əˈlɛktrətaɪp | ▶verb [ with obj. ] (often as noun electrotyping ) make a copy of (something ) by the electrolytic deposition of copper on a mold. ▶noun a copy made in such a way. DERIVATIVES e lec tro typ er noun

electrovalent

e lec tro va lent |iˌlektrəˈvālənt əˌlɛktrəˈveɪlənt | ▶adjective Chemistry (of bonding ) resulting from electrostatic attraction between positive and negative ions; ionic. DERIVATIVES e lec tro va lence noun, e lec tro va len cy noun ORIGIN 1920s: from electro- + -valent, on the pattern of trivalent .

electroweak

e lec tro weak |iˈlektrōˌwēk əˌlɛktroʊˈwik | ▶adjective Physics relating to or denoting electromagnetic and weak interactions regarded as manifestations of the same interaction.

Oxford Dictionary

electro

electro |ɪˈlɛktrəʊ | ▶noun ( pl. electros ) 1 short for electrotype or electroplate. 2 [ mass noun ] a style of dance music with a fast beat and synthesized backing track.

electro-

electro- |ɪˈlɛktrəʊ | ▶combining form 1 relating to or caused by electricity; involving electricity and …: electroconvulsive | electromagnetism. 2 relating to music characterized by the use of synthesizers or electronically created sounds: electro-pop.

electro-acoustic

electro-acoustic |ɪlɛktrəʊəˈkuːstɪk | ▶adjective involving the direct conversion of electrical into acoustic energy or vice versa. • (of a guitar ) having both a pickup and a reverberating hollow body. ▶noun an electro-acoustic guitar.

electro-acupuncture

e lec tro-ac u punc ture (also electroacupuncture ) ▶noun acupuncture in which the needles used carry a mild electric current.

electrocardiogram

electrocardiogram |ɪˌlɛktrəʊˈkɑːdɪəgram |(abbrev.: ECG ) ▶noun Medicine a record or display of a person's heartbeat produced by electrocardiography.

electrocardiograph

electrocardiograph |ɪˌlɛktrəʊˈkɑːdɪəgrɑːf |(abbrev.: ECG ) ▶noun a machine used for electrocardiography.

electrocardiography

electrocardiography |ɪˌlɛktrəʊˌkɑːdɪˈɒgrəfi | ▶noun [ mass noun ] the measurement of electrical activity in the heart and its recording as a visual trace (on paper or on an oscilloscope screen ), using electrodes placed on the skin of the limbs and chest. DERIVATIVES electrocardiographic adjective

electrocautery

electrocautery |ɪˌlɛktrəʊˈkɔːtəri | ▶noun [ mass noun ] cautery using a needle or other instrument that is electrically heated.

electrochemistry

elec ¦tro |chem ¦is ¦try |ɪˌlɛktrəʊˈkɛmɪstri | ▶noun [ mass noun ] the branch of chemistry that deals with the relations between electrical and chemical phenomena. DERIVATIVES electrochemical adjective, electrochemically adverb, electrochemist noun

electrochromism

electrochromism |ɪˌlɛktrə (ʊ )ˈkrəʊmɪz (ə )m | ▶noun [ mass noun ] Chemistry the property of certain dyes of changing colour when placed in an electric field. DERIVATIVES electrochromic adjective

electrocoagulation

electrocoagulation |ɪˌlɛktrəʊkəʊˌagjʊˈleɪʃ (ə )n | ▶noun [ mass noun ] the coagulation of blood or other tissues by the local application of an electric current to produce concentrated heat.

electroconvulsive

elec ¦tro |con ¦vul ¦sive |ɪˌlɛktrəʊkənˈvʌlsɪv | ▶adjective relating to the treatment of mental illness by the application of electric shocks to the brain.

electrocorticogram

electrocorticogram |ɪˌlɛktrə (ʊ )ˈkɔːtɪkə (ʊ )gram | ▶noun Physiology a chart or record of the electrical activity of the brain made using electrodes in direct contact with it.

electrocute

electrocyte

electrocyte |ɪˈlɛktrə (ʊ )sʌɪt | ▶noun Zoology a modified muscle or nerve cell that generates electricity in the electric organ of certain fishes.

electrode

electrode |ɪˈlɛktrəʊd | ▶noun a conductor through which electricity enters or leaves an object, substance, or region. ORIGIN mid 19th cent.: from electric + Greek hodos ‘way ’, on the pattern of anode and cathode .

electrodermal

electrodermal |ɪˌlɛktrə (ʊ )ˈdəːməl | ▶adjective relating to measurement of the electrical conductivity of the skin, especially as an indicator of someone's emotional responses.

electrodialysis

electrodialysis |ɪˌlɛktrəʊdʌɪˈalɪsɪs | ▶noun [ mass noun ] Chemistry dialysis in which the movement of ions is aided by an electric field applied across the semipermeable membrane.

electrodynamics

elec ¦tro |dynam ¦ics |ɪˌlɛktrəʊdʌɪˈnamɪks | ▶plural noun [ usu. treated as sing. ] the branch of mechanics concerned with the interaction of electric currents with magnetic fields or with other electric currents. DERIVATIVES electrodynamic adjective

electrodynamometer

electroencephalogram

electroencephalogram |ɪˌlɛktrəʊɪnˈsɛf (ə )ləgram, -ˈkɛf -| ▶noun a test or record of brain activity produced by electroencephalography.

electroencephalograph

electroencephalograph |ɪˌlɛktrəʊɪnˈsɛf (ə )ləgrɑːf, -ˈkɛf -| ▶noun a machine used for electroencephalography.

electroencephalography

electroencephalography |ɪˌlɛktrəʊɪnˌsɛfəˈlɒgrəfi, -ˌkɛf -| ▶noun [ mass noun ] the measurement of electrical activity in different parts of the brain and its recording as a visual trace (on paper or on an oscilloscope screen ).

electrofish

elec ¦tro |fish |ɪˈlɛktrəʊfɪʃ | ▶verb [ with obj. ] fish (a stretch of water ) using electrocution or a weak electric field.

electrofusion

electrogenic

electrogenic |ɪˌlɛktrə (ʊ )ˈdʒɛnɪk | ▶adjective Physiology producing a change in the electrical potential of a cell.

electro-hydraulic

electro-hydraul ¦ic ▶adjective relating to or denoting a hydraulic system that is powered or controlled electrically.

electrojet

elec ¦tro |jet |ɪˈlɛktrəʊdʒɛt | ▶noun an intense electric current which occurs in a narrow belt in the lower ionosphere, especially in the region of strong auroral displays.

electrokinetic

elec ¦tro |kinetic |ɪˌlɛktrəʊkɪˈnɛtɪk | ▶adjective relating to the flow of electricity.

electroless

electroless |ɪˈlɛktrəʊlɪs | ▶adjective relating to or denoting nickel plating using chemical means, as opposed to electroplating.

electrolier

electrolier |ɪˌlɛktrəˈlɪə | ▶noun a chandelier in which the lights are electrical. ORIGIN late 19th cent.: from electro-, on the pattern of chandelier .

electrologist

electroluminescence

electroluminescence |ɪˌlɛktrəʊluːmɪˈnɛs (ə )ns | ▶noun [ mass noun ] Chemistry luminescence produced electrically, especially by the application of a voltage. DERIVATIVES electroluminescent adjective

electrolyse

electrolyse |ɪˈlɛktrəlʌɪz |(US electrolyze ) ▶verb [ with obj. ] subject to or treat by electrolysis. DERIVATIVES electrolyser noun ORIGIN mid 19th cent.: from electrolysis, on the pattern of analyse .

electrolysis

electrolysis |ˌɪlɛkˈtrɒlɪsɪs, ˌɛl -| ▶noun [ mass noun ] 1 Chemistry chemical decomposition produced by passing an electric current through a liquid or solution containing ions. 2 the removal of hair roots or small blemishes on the skin by the application of heat using an electric current. DERIVATIVES electrolytic |ɪˌlɛktrə (ʊ )ˈlɪtɪk |adjective, electrolytical |-ˈlɪtɪk (ə )l |adjective, electrolytically |-ˈlɪtɪk (ə )li |adverb

electrolyte

electrolyte |ɪˈlɛktrəlʌɪt | ▶noun 1 a liquid or gel which contains ions and can be decomposed by electrolysis, e.g. that present in a battery. 2 (electrolytes ) Physiology the ionized or ionizable constituents of a living cell, blood, or other organic matter. ORIGIN mid 19th cent.: from electro- + Greek lutos ‘released ’ (from luein ‘loosen ’).

electrolytic cell

electromagnet

elec ¦tro |mag ¦net |ɪˌlɛktrə (ʊ )ˈmagnɪt | ▶noun Physics a soft metal core made into a magnet by the passage of electric current through a coil surrounding it.

electromagnetic

electromagnetic field

electromagnetic pulse

e lec tro mag net ic pulse ▶noun an intense pulse of electromagnetic radiation, esp. one generated by a nuclear explosion and occurring high above the earth's surface.

electromagnetic radiation

elec ¦tro |mag ¦net ¦ic ra ¦di |ation ▶noun [ mass noun ] Physics a kind of radiation including visible light, radio waves, gamma rays, and X-rays, in which electric and magnetic fields vary simultaneously.

electromagnetic spectrum

elec ¦tro |mag ¦net ¦ic spec |trum ▶noun [ mass noun ] Physics the range of wavelengths or frequencies over which electromagnetic radiation extends.

electromagnetic units

elec ¦tro |mag ¦net ¦ic units ▶plural noun Physics a largely disused system of electrical units derived primarily from the magnetic properties of electric currents.

electromagnetism

elec ¦tro |mag ¦net |ism |ɪˌlɛktrəʊˈmagnɪtɪz (ə )m | ▶noun [ mass noun ] the phenomenon of the interaction of electric currents or fields and magnetic fields. • the branch of physics concerned with electromagnetism.

electromechanical

elec ¦tro |mech ¦an ¦ic ¦al |ɪˌlɛktrəʊmɪˈkanɪk (ə )l | ▶adjective relating to or denoting a mechanical device which is electrically operated.

electrometer

electrometer |ˌɪlɛkˈtrɒmɪtə | ▶noun Physics an instrument for measuring electrical potential without drawing any current from the circuit. DERIVATIVES electrometric |-ˈmɛtrɪk |adjective, electrometry noun

electromotive

electromotive |ɪˌlɛktrəˈməʊtɪv | ▶adjective Physics producing or tending to produce an electric current.

electromotive force

electromotive force (abbrev.: emf ) ▶noun Physics a difference in potential that tends to give rise to an electric current.

electromyogram

electromyogram |ɪˌlɛktrə (ʊ )ˈmʌɪə (ʊ )gram | ▶noun Medicine a record or display produced by electromyography.

electromyography

electromyography |ɪˌlɛktrə (ʊ )mʌɪˈɒgrəfi | ▶noun [ mass noun ] the recording of the electrical activity of muscle tissue, or its representation as a visual display or audible signal, using electrodes attached to the skin or inserted into the muscle. DERIVATIVES electromyograph |-ˈmʌɪəʊgrɑːf |noun, electromyographic |-mʌɪəˈgrafɪk |adjective, electromyographically adverb

electron

electron |ɪˈlɛktrɒn | ▶noun Physics a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids. The electron's mass is about 9 × 10 −28 g, 1,836 times less than that of the proton. Electrons orbit the positively charged nuclei of atoms and are responsible for binding atoms together in molecules, as well as for the electrical, thermal, optical, and magnetic properties of solids. Electric currents in metals and in semiconductors consist of a flow of electrons, and light, radio waves, X-rays, and much heat radiation are all produced by accelerating and decelerating electrons. ORIGIN late 19th cent.: from electric + -on .

electron beam

elec |tron beam ▶noun Physics a stream of electrons in a gas or vacuum.

electron-dense

e lec tron-dense ▶adjective (of biological specimens ) allowing the passage of few electrons, and so appearing dark in electron micrographs.

electron diffraction

elec |tron dif |frac ¦tion ▶noun [ mass noun ] Physics the diffraction of a beam of electrons by atoms or molecules, used especially for determining crystal structures.

electronegative

elec ¦tro |nega ¦tive |ɪˌlɛktrə (ʊ )ˈnɛgətɪv | ▶adjective 1 Physics electrically negative. 2 Chemistry (of an element ) tending to acquire electrons and form negative ions in chemical reactions. DERIVATIVES electronegativity noun

electron gun

elec |tron gun ▶noun Physics a device for producing a narrow stream of electrons from a heated cathode.

electronic

elec |tron ¦ic |ɪlɛkˈtrɒnɪk, ɛl- | ▶adjective 1 (of a device ) having or operating with components such as microchips and transistors that control and direct electric currents: an electronic calculator | an electronic organ. • (of music ) produced by electronic instruments. • relating to electronics: a degree in electronic engineering. 2 relating to electrons. 3 carried out or accessed by means of a computer or other electronic device, especially over a network: the electronic edition of the newspaper | electronic banking. DERIVATIVES electronically adverb ORIGIN early 20th cent.: from electron + -ic .

electronica

electronic flash

elec |tron ¦ic flash ▶noun Photography a flash from a gas-discharge tube, used in high-speed photography.

electronic mail

elec |tron ¦ic mail ▶noun another term for email.

electronic music

e lec tron ic mu sic ▶noun music performed using synthesizers and other electronic instruments.

electronic organizer

elec |tron ¦ic or ¦gan |izer ▶noun a pocket-sized computer used for storing and retrieving information such as addresses and appointments.

electronic publishing

elec |tron ¦ic pub ¦lish |ing ▶noun [ mass noun ] the issuing of books and other material in machine-readable form rather than on paper.

electronics

elec |tron ¦ics |ɪlɛkˈtrɒnɪks, ɛl- | ▶plural noun [ usu. treated as sing. ] the branch of physics and technology concerned with the design of circuits using transistors and microchips, and with the behaviour and movement of electrons in a semiconductor, conductor, vacuum, or gas. • [ treated as pl. ] circuits or devices using transistors, microchips, and other components.

electronic tagging

elec |tron ¦ic tag |ging ▶noun [ mass noun ] the attaching of electronic markers to people or goods for monitoring purposes, e.g. to track offenders under house arrest or to deter shoplifters.

electron lens

elec |tron lens ▶noun Physics a device for focusing a stream of electrons by means of electric or magnetic fields.

electron microscope

elec |tron micro |scope ▶noun Physics a microscope with high magnification and resolution, employing electron beams in place of light and using electron lenses.

electron optics

elec |tron op ¦tics ▶plural noun [ treated as sing. ] the branch of physics that deals with the behaviour of electrons and electron beams in magnetic and electric fields.

electron pair

elec |tron pair ▶noun 1 Chemistry two electrons occupying the same orbital in an atom or molecule. 2 Physics an electron and a positron produced in a high-energy reaction.

electron spin resonance

electron spin resonance (abbrev.: ESR ) ▶noun [ mass noun ] Physics a spectroscopic method of locating electrons within the molecules of a paramagnetic substance.

electron tube

elec |tron tube ▶noun Physics an evacuated or gas-filled tube in which a current of electrons flows between electrodes.

electronvolt

electronvolt |ɪˈlɛktrɒnvəʊlt, -vɒlt |(abbrev.: eV ) ▶noun Physics a unit of energy equal to the work done on an electron in accelerating it through a potential difference of one volt.

electro-oculogram

electro-oculogram |ɪˌlɛktrəʊˈɒkjələ (ʊ )gram | ▶noun a record produced by electro-oculography.

electro-oculography

electro-oculography |ɪˌlɛktrəʊɒkjəˈlɒgrəfi | ▶noun [ mass noun ] the measurement of the electrical potential between electrodes placed at points close to the eye, used to investigate eye movements especially in physiological research. DERIVATIVES electro-oculographic |-əˈgrafɪk |adjective

electro-optics

electro-optics ▶plural noun [ treated as sing. ] the branch of science that deals with the effect of electric fields on light and on the optical properties of substances. DERIVATIVES electro-optic adjective, electro-optical adjective

electro-osmosis

electro-osmosis ▶noun [ mass noun ] osmosis under the influence of an electric field. DERIVATIVES electro-osmotic adjective

electrophilic

electrophilic |ɪˌlɛktrə (ʊ )ˈfɪlɪk | ▶adjective Chemistry (of a molecule or group ) having a tendency to attract or acquire electrons. Often contrasted with nucleophilic. DERIVATIVES electrophile |ɪˈlɛktrə (ʊ )fʌɪl |noun

electrophoresis

electrophoresis |ɪˌlɛktrə (ʊ )fəˈriːsɪs | ▶noun [ mass noun ] Physics & Chemistry the movement of charged particles in a fluid or gel under the influence of an electric field. DERIVATIVES electrophorese verb, electrophoretic |-fəˈrɛtɪk |adjective, electrophoretically adverb ORIGIN early 20th cent.: from electro- + Greek phorēsis ‘being carried ’.

electrophorus

electrophorus |ˌɪlɛkˈtrɒf (ə )rəs, ɛl- | ▶noun Physics a device for repeatedly generating static electricity by induction. ORIGIN late 18th cent.: from electro- + Greek -phoros ‘bearing ’.

electrophysiology

electrophysiology |ɪˌlɛktrəʊfɪzɪˈɒlədʒi | ▶noun [ mass noun ] the branch of physiology that deals with the electrical phenomena associated with nervous and other bodily activity. DERIVATIVES electrophysiological |-ˈlɒdʒɪk (ə )l |adjective, electrophysiologically adverb, electrophysiologist noun

electroplate

electroplate |ɪˈlɛktrə (ʊ )pleɪt, ɪˌlɛktrə (ʊ )ˈpleɪt | ▶verb [ with obj. ] (usu. as noun electroplating ) coat (a metal object ) by electrolytic deposition with chromium, silver, or another metal. ▶noun [ mass noun ] electroplated articles. DERIVATIVES electroplater noun

electroplax

electroplax |ɪˈlɛktrəʊplaks |(also electroplaque |-plak |) ▶noun Zoology each of a number of flattened plates of protoplasm that make up the electric organ of certain fishes, e.g. the electric eel.

electroplexy

electroplexy |ɪˈlɛktrəplɛksi | ▶noun [ mass noun ] Brit. dated electroconvulsive therapy. ORIGIN 1950s: from electro- + apoplexy .

electropolish

electropolish |ɪˈlɛktrəʊˌpɒlɪʃ | ▶verb [ with obj. ] (often as noun electropolishing ) give a shiny surface to (metal ) using electrolysis.

electropop

electropop |əˈlɛktrəʊˌpɒp | ▶noun [ mass noun ] a style of popular music characterized by the use of electronically created sounds, with a synthesizer as the primary instrument.

electroporation

electroporation |ɪˌlɛktrə (ʊ )pəˈreɪʃ (ə )n | ▶noun [ mass noun ] Biology the action or process of introducing DNA or chromosomes into bacteria or other cells using a pulse of electricity to open the pores in the cell membranes briefly. DERIVATIVES electroporate verb

electropositive

elec ¦tro |posi |tive |ɪlɛktrə (ʊ )ˈpɒzɪtɪv | ▶adjective 1 Physics electrically positive. 2 Chemistry (of an element ) tending to lose electrons and form positive ions in chemical reactions.

electroreception

elec ¦tro |recep ¦tion |ɪlɛktrəʊrɪˈsɛpʃ (ə )n | ▶noun [ mass noun ] the detection by an aquatic animal of electric fields or currents. DERIVATIVES electroreceptor noun

electroretinogram

electroretinogram |ɪˌlɛktrəʊˈrɛtɪnə (ʊ )gram | ▶noun a record of the electrical activity of the retina, used in medical diagnosis and research.

electroscope

electro-selective pattern

electroshock

elec ¦tro |shock |ɪˈlɛktrə (ʊ )ʃɒk | ▶adjective denoting or relating to medical treatment by means of electric shocks: electroshock therapy.

electrosomatic

e lec tro so mat ic |iˌlektrōsəˈmatik əˌlɛktroʊsəˈmætɪk | ▶adjective 1 pertaining to electronic devices implanted in an organism. 2 pertaining to electrical fields within an organism.

electrostatic

elec ¦tro |stat ¦ic |ɪˌlɛktrə (ʊ )ˈstatɪk | ▶adjective Physics relating to stationary electric charges or fields as opposed to electric currents. DERIVATIVES electrostatically adverb ORIGIN mid 19th cent.: from electro- + static, on the pattern of hydrostatic .

electrostatic generator

e lec tro stat ic gen er a tor ▶noun any of various devices used to build up an electric charge to an extreme potential in order to generate electricity, esp. the Van de Graaf generator.

electrostatic precipitator

elec ¦tro |stat ¦ic pre ¦cipi |ta ¦tor ▶noun a device that removes suspended dust particles from a gas or exhaust by applying a high-voltage electrostatic charge and collecting the particles on charged plates.

electrostatics

elec ¦tro |stat ¦ics |ɪˌlɛktrə (ʊ )ˈstatɪks | ▶plural noun [ treated as sing. ] Physics the study of stationary electric charges or fields as opposed to electric currents.

electrostatic units

elec ¦tro |stat ¦ic units ▶plural noun a system of units based primarily on the forces between electric charges.

electrosurgery

elec ¦tro |sur ¦gery |ɪlɛktrəʊˈsəːdʒəri | ▶noun [ mass noun ] surgery using a high-frequency electric current to heat and so cut tissue with great precision. DERIVATIVES electrosurgical adjective

electrotechnology

electrotherapy

elec ¦tro |ther ¦apy |ɪˌlɛktrə (ʊ )ˈθɛrəpi | ▶noun [ mass noun ] the use of electric currents passed through the body to stimulate nerves and muscles, chiefly in the treatment of various forms of paralysis. DERIVATIVES electrotherapeutic adjective, electrotherapeutical adjective, electrotherapist noun

electrothermal

elec ¦tro |ther ¦mal |ɪˌlɛktrə (ʊ )ˈθəːm (ə )l | ▶adjective Physics relating to heat derived from electricity.

electrotype

elec ¦tro |type |ɪˈlɛktrə (ʊ )tʌɪp | ▶verb [ with obj. ] (often as noun electrotyping ) make a copy of (something ) by the electrolytic deposition of copper on a mould. ▶noun an electrotyped copy. DERIVATIVES electrotyper noun

electrovalent

electrovalent |ɪˌlɛktrə (ʊ )ˈveɪl (ə )nt | ▶adjective Chemistry (of bonding ) resulting from electrostatic attraction between positive and negative ions; ionic. DERIVATIVES electrovalence noun, electrovalency noun ORIGIN 1920s: from electro- + -valent, on the pattern of trivalent .

electroweak

elec ¦tro |weak |ɪˌlɛktrəʊˈwiːk | ▶adjective Physics relating to or denoting electromagnetic and weak interactions regarded as manifestations of the same interaction.

Duden Dictionary

Electronic Banking

Elec t ro nic Ban king , Elec tro nic Ban king Substantiv, Neutrum , das |ɪlɛkˈtrɔnɪk ˈbæŋkɪŋ |das Electronic Banking; Genitiv: des Electronic Banking [s ] englisch electronic banking, aus: electronic = elektronisch und banking, Banking Zahlungs- und Bankverkehr, der von den Kunden elektronisch abgewickelt wird

Electronic Book

Elec t ro nic Book , Elec tro nic Book Substantiv, Neutrum , das |ɪlɛkˈtrɔnɪk ˈbʊk |das Electronic Book; Genitiv: des Electronic Book [s ], Electronic Books englisch electronic book, aus: electronic = elektronisch und book = Buch 1 tragbares digitales Lesegerät in Buchformat, in das Texte aus dem Internet übernommen werden können 2 in digitalisierter Form vorliegender Inhalt eines Buches, der mithilfe des Electronic Books 1 gelesen werden kann

Electronic Business

Elec t ro nic Busi ness , Elec tro nic Busi ness Substantiv, Neutrum , das |ɪlɛkˈtrɔnɪk ˈbɪznɪs |das Electronic Business; Genitiv: des Electronic Business englisch electronic business, eigentlich = elektronisches Geschäft, aus: electronic = elektronisch und business = Geschäft Geschäftsabwicklung über das Internet oder andere Computernetze

Electronic Cash

Elec t ro nic Cash , Elec tro nic Cash Substantiv, Neutrum , das |ɪlɛkˈtrɔnɪk ˈkæʃ |das Electronic Cash; Genitiv: des Electronic Cash englisch electronic cash, aus: electronic = elektronisch und cash, Cash bargeldloser Zahlungsverkehr (mit der Scheckkarte )

Electronic Church

Elec t ro nic Church , Elec tro nic Church Substantiv, feminin , die |- ˈtʃəːtʃ |die Electronic Church; Genitiv: der Electronic Church englisch-amerikanisch Bezeichnung für Fernsehsendungen religiösen Anspruchs und Inhalts; Fernsehkirche

Electronic Commerce

Elec t ro nic Com merce , Elec tro nic Com merce Substantiv, maskulin , der |ɪlɛkˈtrɔnɪk ˈkɔməːs |der Electronic Commerce; Genitiv: des Electronic Commerce englisch electronic commerce, eigentlich = elektronischer Handel, aus: electronic = elektronisch und commerce = Handel Vertrieb von Waren oder Dienstleistungen über das Internet

Electronic Learning

Elec t ro nic Lear ning, Elec tro nic Lear ning Substantiv, Neutrum , das |ɪlɛkˈtrɔnɪk ˈləːnɪŋ |das Electronic Learning; Genitiv: des Electronic Learning [s ] englisch electronic learning = elektronisches Lernen, aus: electronic = elektronisch und learning = das Lernen computergestütztes Lernen, bei dem Schüler und Lehrer räumlich getrennt voneinander sind und vor allem über das Internet in Kontakt stehen

Electronic Mail

Elec t ro nic Mail , Elec tro nic Mail Substantiv, feminin , die |ɪlɛkˈtrɔnɪk ˈmeɪl |die Electronic Mail; Genitiv: der Electronic Mail, Electronic Mails englisch electronic mail, E-Mail 1 elektronischer Daten- und Nachrichtenaustausch über Computer 2 per Electronic Mail 1 verschickte bzw. empfangene Nachricht

Electronic Shopping

Elec t ro nic Shop ping , Elec tro nic Shop ping Substantiv, Neutrum , das |ɪlɛkˈtrɔnɪk ˈʃɔpɪŋ |das Electronic Shopping; Genitiv: des Electronic Shoppings englisch electronic shopping, aus: electronic = elektronisch und shopping, Shopping Onlineshopping

Electronic Voting

Elec t ro nic Vo ting , Elec tro nic Vo ting Substantiv, Neutrum , das |ɪlɛkˈtrɔnɪk ˈvoʊtɪŋ |das Electronic Voting; Genitiv: des Electronic Voting [s ] englisch electronic voting, aus: electronic = elektronisch und voting, Voting Abstimmungsverfahren, bei dem die Stimmen mithilfe eines elektronischen Geräts abgegeben bzw. weitergeleitet werden

Electronium

Elec tro ni um Substantiv, Neutrum Musik , das ® |Electr o nium |das Electronium; Genitiv: des Electroniums, Plural: die Electronien Elektronium 1

French Dictionary

électro-

électro- préf. préfixe Élément signifiant « électrique ». Note Technique Les mots composés avec le préfixe électro- s ’écrivent en un seul mot.

électroaimant

électroaimant n. m. nom masculin Aimant artificiel. : Des électroaimants.

électrocardiogramme

électrocardiogramme n. m. nom masculin Sigle ÉCG (s ’écrit avec ou sans points ). médecine Graphique des ondes électriques émises par les mouvements du cœur. : Un électrocardiogramme à l ’effort, au repos. SYNONYME cardiogramme .

électrocardiographie

électrocardiographie n. f. nom féminin Examen du cœur au moyen d ’un électrocardiogramme.

électrochoc

électrochoc n. m. nom masculin 1 Méthode de traitement de certaines maladies mentales par stimulation électrique. : Des électrochocs. 2 figuré Évènement qui produit une grande émotion, un bouleversement, un choc psychologique.

électrocuter

électrocuter v. tr. , pronom. verbe transitif Tuer par décharge électrique. : Le chat a été électrocuté par l ’éclair. Recevoir une décharge électrique mortelle. : Prenez garde de ne pas vous électrocuter. Note Grammaticale À la forme pronominale, le participe passé de ce verbe s ’accorde toujours en genre et en nombre avec son sujet. Ces ouvriers se sont électrocutés. aimer

électrocution

électrocution n. f. nom féminin Fait d ’électrocuter, d ’être électrocuté. : Dans quelques États américains, certains accusés sont condamnés à l ’électrocution, c ’est-à -dire à mourir sur une chaise électrique.

électrode

électrode n. f. nom féminin Pièce conductrice d ’électricité.

électroencéphalogramme

électroencéphalogramme n. m. nom masculin Sigle ÉEG (s ’écrit avec ou sans points ). médecine Graphique de l ’activité bioélectrique du cerveau. Note Technique Certains auteurs écrivent électro-encéphalogramme.

électrogène

électrogène adj. adjectif Qui produit de l ’électricité. LOCUTION Groupe électrogène. Génératrice. : En cas de panne d ’électricité, l ’hôpital dispose d ’un groupe électrogène.

électrolyse

électrolyse n. f. nom féminin Décomposition chimique obtenue par le passage de l ’électricité. : C ’est par l ’électrolyse de l ’alumine que l ’aluminium est produit. Note Orthographique électrol y se.

électroménager

électroménager , ère adj. et n. m. adjectif Se dit d ’un appareil ménager qui fonctionne à l ’électricité. : Le lave-vaisselle est un appareil électroménager très pratique. nom masculin Ensemble des appareils électroménagers.

électron

électron n. m. nom masculin Particule fondamentale de l ’atome portant une charge électrique négative. LOCUTION Électron libre. figuré Personne qui se caractérise par son indépendance d ’esprit, ses opinions originales et qui refuse de se conformer aux idées arrêtées par un parti, un mouvement, etc.

électronicien

électronicien électronicienne n. m. f. féminin et nom masculin Spécialiste de l ’électronique.

électronique

électronique adj. et n. f. adjectif 1 Qui se rapporte à l ’électron. 2 Qui utilise des dispositifs électroniques. : Des jeux électroniques. nom féminin Science de l ’électron et de tous les phénomènes qui s ’y rattachent. LOCUTION Courrier électronique. Courrier dont l ’acheminement se fait exclusivement par l ’utilisation de systèmes électroniques reliés entre eux (Recomm. off. ). : Un message transmis par courrier électronique (et non par *e-mail ). SYNONYME courriel .

électroniquement

électroniquement adv. adverbe Par un moyen électronique. : Un système d ’éclairage programmé électroniquement.

Spanish Dictionary

electro

electro 1 nombre masculino 1 Resina fósil de las coníferas, de color entre amarillo y naranja, translúcida, muy ligera y dura, que arde con facilidad y desprende buen olor .SINÓNIMO ámbar .2 Aleación natural formada por cuatro partes de oro y una de plata, de color parecido al ámbar .SINÓNIMO oro argentífero, oro verde .3 técn Conjunto de aleaciones a base de magnesio, que contienen aluminio, magnesio y algunas veces cinc, y son resistentes y muy ligeras .ETIMOLOGÍA Préstamo (s. xvi ) del latín electrum y este del griego élektron ‘ámbar ’.

electro

electro 2 nombre masculino coloquial Electrocardiograma :todos reconocen la ineficacia del electro en reposo para descubrir posibles candidatos a padecer de infarto; tendrá que hacerse un electro .ETIMOLOGÍA Acortamiento de electrocardiograma .

electro-

electro- Elemento prefijal de origen griego que entra en la formación de palabras con el significado de ‘eléctrico ’:electroimán, electrodinámica, electrógeno, electrocutar .

electroacústica

electroacústica nombre femenino 1 fís Parte de la electrotecnia que trata de las corrientes eléctricas alternas cuya frecuencia está comprendida dentro de la escala de las vibraciones audibles .2 Formación y emisión de sonidos mediante un sistema eléctrico .

electroacústico, -ca

electroacústico, -ca adjetivo De la electroacústica o relacionado con ella :el lenguaje electroacústico .

electroafinidad

electroafinidad nombre femenino Capacidad de un átomo para captar electrones y transformarse en un ion .

electrocapilaridad

electrocapilaridad nombre femenino Variación de la tensión superficial de dos medios conductores causada por la presencia de cargas eléctricas .

electrocardiografía

electrocardiografía nombre femenino Parte de la medicina que estudia la obtención e interpretación de los electrocardiogramas .

electrocardiógrafo

electrocardiógrafo nombre masculino Aparato que registra las corrientes eléctricas producidas por la actividad del corazón .

electrocardiograma

electrocardiograma nombre masculino Gráfico en el que se registran los movimientos del corazón y es obtenido por un electrocardiógrafo .SINÓNIMO electro .Su sigla es ECG .

electrochoque

electrochoque (también electroshock )nombre masculino Tratamiento que se utiliza para curar algunas enfermedades mentales y que consiste en la aplicación de corrientes eléctricas de duración brevísima en el encéfalo .ETIMOLOGÍA Variante de electroshock (V.) con adaptación al español .

electrocinesis

electrocinesis nombre femenino Movimiento de un organismo provocado por un campo eléctrico .El plural es electrocinesis .

electrocinética

electrocinética nombre femenino Parte de la física que estudia el movimiento de las corrientes eléctricas .

electrocirugía

electrocirugía nombre femenino Empleo quirúrgico de la corriente eléctrica, en especial corriente de alta frecuencia, generalmente para cortar tejidos blandos y conseguir la coagulación de los pequeños vasos sanguíneos seccionados :algunas lesiones verrugosas deben someterse a la electrocirugía .

electrocoagulación

electrocoagulación nombre femenino med Método de electroterapia que se utiliza para destruir tejidos anormales, generalmente tumorales, para detener hemorragias y como anestésico local :las hemorroides pueden tratarse por electrocoagulación .

electrocromo

electrocromo nombre masculino Dispositivo óptico que puede adoptar un estado opaco o transparente en función de un campo eléctrico externo; se pude utilizar para visualizar o almacenar información .

electrocución

electrocución nombre femenino Acción de electrocutar :los cables van convenientemente protegidos para evitar cualquier riesgo de electrocución .ETIMOLOGÍA Préstamo del inglés electrocution , compuesto por electro- y (exe )cution ‘ejecución ’. De la familia etimológica de eléctrico (V.).

electrocutar

electrocutar verbo transitivo 1 Matar mediante descargas eléctricas, en especial a un condenado a muerte .2 Matar [una descarga eléctrica ] a una persona o un animal :el rayo electrocutó a varias vacas y ovejas .3 electrocutarse verbo pronominal Morir como consecuencia de una descarga eléctrica :investigan el caso del niño que se electrocutó la semana pasada al tocar los cables sueltos de una farola .ETIMOLOGÍA Préstamo del inglés to electrocute , compuesto por electro- y (to ) (exe )cute ‘ejecutar ’. De la familia etimológica de eléctrico (V.).

electrodiagnóstico

electrodiagnóstico nombre masculino Diagnóstico de algunas enfermedades que se realiza mediante la aplicación de la electricidad .

electrodiálisis

electrodiálisis nombre femenino quím Procedimiento de separación de los iones de una disolución en presencia de un campo magnético empleando para ello unas membranas que tienen la propiedad de permitir el paso de los iones de un signo y no los de signo contrario :la electrodiálisis se utiliza para la desalinización de las aguas marinas .El plural es electrodiálisis .

electrodinámica

electrodinámica nombre femenino Parte de la física que estudia el fenómeno de la electricidad en movimiento .

electrodinámico, -ca

electrodinámico, -ca adjetivo De la electrodinámica o que tiene relación con esta parte de la física .

electrodo

electrodo nombre masculino 1 Extremo de un conductor en contacto con un medio, al que lleva o del que recibe una corriente eléctrica :los electrodos positivo y negativo se llaman ánodo y cátodo, respectivamente .2 Elemento terminal de un circuito, especialmente el encerrado en un tubo o ampolla de vidrio con aire o gas enrarecidos, como los de las válvulas radioeléctricas .meter un electrodo Cuba Estimular a una persona para que actúe de modo rápido .

electrodoméstico

electrodoméstico adjetivo /nombre masculino [aparato ] Que funciona con energía eléctrica y está destinado al uso doméstico :el televisor y la plancha son electrodomésticos .

electroencefalografía

electroencefalografía nombre femenino Parte de la medicina que estudia la obtención e interpretación de los electroencefalogramas .

electroencefalógrafo

electroencefalógrafo nombre masculino Aparato que registra las corrientes eléctricas producidas por la actividad del encéfalo .

electroencefalograma

electroencefalograma nombre masculino Gráfico en el que se registra la actividad del cerebro y es obtenido por un electroencefalógrafo .SINÓNIMO encefalograma .

electroerosión

electroerosión nombre femenino Método de acabado de superficies metálicas mediante desgaste producido por medios eléctricos; se utiliza especialmente en piezas que por su forma hacen difícil el uso de muelas .

electrófono

electrófono nombre masculino 1 Aparato que consta de un tocadiscos y un amplificador con altavoz, y reproduce, mediante un sistema electromecánico, los sonidos grabados en un disco .2 mús Cualquiera de los instrumentos musicales en que para la producción del sonido se necesita la electricidad :la guitarra eléctrica y el sintetizador son electrófonos .

electrógeno, -na

electrógeno, -na adjetivo 1 Que engendra electricidad :equipo electrógeno .2 nombre masculino Generador eléctrico . VÉASE grupo electrógeno .

electroimán

electroimán nombre masculino Barra de hierro dulce que se imanta artificialmente por la acción de una corriente eléctrica que pasa por un hilo conductor arrollado a la barra :los electroimanes se utilizan para levantar grandes piezas de hierro mediante grúas, para abrir y cerrar circuitos, en los motores y en los trenes magnéticos .

electrólisis

electrólisis o electrolisis nombre femenino Proceso químico por medio del cual una sustancia o un cuerpo inmersos en una disolución se descomponen por la acción de la una corriente eléctrica continua :los baños de oro de las joyas se realizan mediante electrólisis .ETIMOLOGÍA Compuesto de electro- y el griego lýsis ‘disolución ’; término acuñado por Faraday (1834 ). De la familia etimológica de eléctrico (V.).El plural es electrólisis o electrolisis .

electrolítico, -ca

electrolítico, -ca adjetivo De la electrólisis o relacionado con ella :instalaciones electrolíticas; procedimientos electrolíticos; cobre electrolítico .

electrolito

electrolito o electrólito nombre masculino Sustancia o cuerpo que se descompone en la electrolisis .

electrolización

electrolización nombre femenino 1 Acción de electrolizar .2 nombre femenino Efecto de electrolizar .

electrolizador, -ra

electrolizador, -ra adjetivo 1 Que electroliza .2 nombre masculino Aparato que produce corrientes eléctricas continuas para realizar la electrólisis .

electrolizar

electrolizar verbo transitivo Descomponer un cuerpo o una sustancia por medio de la electrólisis . Conjugación [4 ] como realizar .

electroluminiscencia

electroluminiscencia nombre femenino Luminiscencia originada por un fenómeno eléctrico .

electroluminiscente

electroluminiscente adjetivo Que está dotado de electroluminiscencia .

electromagnético, -ca

electromagnético, -ca adjetivo Del electromagnetismo o relacionado con él :soporte electromagnético; campo electromagnético; fenómeno electromagnético . VÉASE onda electromagnética .

electromagnetismo

electromagnetismo nombre masculino 1 Parte de la física que estudia las relaciones entre el magnetismo y la electricidad .2 Magnetismo producido por una corriente eléctrica .

electromecánica

electromecánica nombre femenino Técnica que trata de las aplicaciones de la electricidad a la mecánica .

electromecánico, -ca

electromecánico, -ca adjetivo [dispositivo mecánico ] Que es dirigido mediante electricidad :el punto de partida de la informática fue el diseño, a finales del siglo xix, de un mecanismo electromecánico en el que se introducían datos por medio de perforaciones en tarjetas de cartón .

electromedicina

electromedicina nombre femenino Electrónica aplicada a la medicina .

electrometalurgia

electrometalurgia nombre femenino Conjunto de procesos metalúrgicos en los que se emplea la corriente eléctrica como fuente de energía .

electrometalúrgico, -ca

electrometalúrgico, -ca adjetivo 1 De la electrometalurgia o relacionado con ella .2 adjetivo /nombre masculino y femenino Especialista en electrometalurgia .

electrometría

electrometría nombre femenino Parte de la física que trata de la medición de magnitudes eléctricas .

electrómetro

electrómetro nombre masculino Aparato que sirve para medir el potencial eléctrico de un cuerpo .

electromotor, -ra

electromotor, -ra adjetivo /nombre masculino [máquina ] Que transforma la energía eléctrica en mecánica .

electromotriz

electromotriz electromotor .

electrón

electrón nombre masculino Partícula que se encuentra alrededor del núcleo del átomo y que tiene carga eléctrica negativa . VÉASE haz de electrones . ETIMOLOGÍA Préstamo del griego élektron ‘ámbar ’, y por extensión ‘electricidad ’, porque los antiguos observaron al frotar el ámbar los fenómenos eléctricos .

electronegativo, -va

electronegativo, -va adjetivo quím [cuerpo ] Que tiende a ganar electrones y convertirse en un ion negativo .ANTÓNIMO electropositivo .

electroneurografía

electroneurografía nombre femenino Método utilizado para determinar o medir la velocidad de conducción en los nervios periféricos .

electrónica

electrónica nombre femenino 1 Parte de la física que estudia los cambios y los movimientos de los electrones libres y la acción de las fuerzas electromagnéticas y los utiliza en aparatos que reciben y transmiten información .2 Técnica que aplica estos conocimientos a la industria .

electrónicamente

electrónicamente adverbio Empleando medios electrónicos, especialmente para transmitir información :documentos firmados electrónicamente; enviar información electrónicamente .

electrónico, -ca

electrónico, -ca adjetivo 1 De la electrónica o relacionado con ella :aparato electrónico .2 Del electrón o relacionado con él . VÉASE cajero electrónico; cerebro electrónico; correo electrónico; mensajería electrónica; microscopio electrónico; portero electrónico .

electronistagmografía

electronistagmografía nombre femenino Medición de la actividad eléctrica inherente a los movimientos de los músculos del globo ocular .

electronuclear

electronuclear adjetivo [central eléctrica ] Que utiliza energía térmica producida por un reactor nuclear .

electroóptico, -ca

electroóptico, -ca adjetivo [fenómeno ] En el cual las propiedades ópticas de un medio son modificadas por la presencia de un campo eléctrico .

electropositivo, -va

electropositivo, -va adjetivo quím [cuerpo ] Que tiende a perder electrones y convertirse en un ion positivo .ANTÓNIMO electronegativo .

electropuntura

electropuntura nombre femenino Práctica médica que consiste en la aplicación mediante agujas de una corriente eléctrica a tejidos orgánicos .

electroquímica

electroquímica nombre femenino Parte de la química que estudia los fenómenos químicos que provocan electricidad y los fenómenos eléctricos que dan lugar a transformaciones químicas .

electroquímico, -ca

electroquímico, -ca adjetivo De la electroquímica o que está relacionado con esta parte de la química .

electrorradiología

electrorradiología nombre femenino Parte de la medicina que estudia las aplicaciones y los efectos conjuntos de la electricidad y la radiología .

electroscopio

electroscopio nombre masculino Aparato que sirve para conocer si un cuerpo está electrizado y permite, en caso afirmativo, determinar su signo .

electroshock

electroshock nombre masculino Electrochoque .ETIMOLOGÍA Préstamo del inglés electroshock , compuesto por electro- y shock ‘choque ’.Se pronuncia ‘electroshoc ’.

electrostática

electrostática nombre femenino Parte de la física que estudia las interacciones entre las cargas eléctricas en reposo .

electrostático, -ca

electrostático, -ca adjetivo De la electricidad estática o causado por la electricidad que no se mueve en una corriente, sino que es atraída a la superficie de ciertos objetos :la atracción electrostática provoca que un globo se pegue al techo .

electrotecnia

electrotecnia nombre femenino Técnica que trata de las aplicaciones prácticas de la electricidad .

electrotécnico, -ca

electrotécnico, -ca adjetivo 1 De la electrotecnia o que está relacionado con esta técnica .2 nombre masculino y femenino Persona que es especialista en electrotecnia .

electroterapia

electroterapia nombre femenino med Tratamiento médico de algunas enfermedades que se fundamenta en la aplicación de la electricidad en sus diferentes formas .

electroterápico, -ca

electroterápico, -ca adjetivo De la electroterapia o que está relacionado con este tipo de terapia .

electrotermia

electrotermia nombre femenino fís Técnica que trata de la aplicación de la transformación de la energía eléctrica en calor .

electrotipia

electrotipia nombre femenino 1 Arte de hacer, por procedimientos electroquímicos, moldes o planchas para imprimir, que reproducen una composición tipográfica, un grabado, etc .2 Máquina empleada en esta operación .

electrotrén

electrotrén nombre masculino Tren con locomotora de motor eléctrico .

electrotropismo

electrotropismo nombre masculino Reacción de un organismo a la estimulación de un campo eléctrico .

electroválvula

electroválvula nombre femenino Válvula que, por medio de un electroimán, regula el caudal de un líquido :la electroválvula permite el paso del fluido cuando se corta la tensión eléctrica .

Sanseido Wisdom Dictionary

electro-

e lec tro- /ɪléktroʊ /接頭辞〘電〙1 電気に関する, 電気による ▸ electro- magnetic 電磁石の .2 電気的かつ …▸ electro- chemical 電気的かつ化学的な

electrocardiogram

el è ctro c á rdiogr à m 名詞 C 〘医〙心電図 (｟略｠ECG, EKG ).

electrocardiograph

el è ctro c á rdiogr à ph 名詞 C 〘医〙心電計 (｟略｠ECG, EKG ).

electrochemical

el è ctro ch é mical 形容詞電気化学の .

electrocute

e lec tro cute /ɪléktrəkjùːt /動詞他動詞 1 〈人〉を感電 (死 )させる (!しばしば受け身または～ oneselfで ) .2 (電気いすで )〈囚人〉を処刑する (!しばしば受け身で ) .

electrocution

e l è c tro c ú tion 名詞 U C 1 感電死 .2 電気いすによる処刑 .

electrode

e lec trode /ɪléktroʊd /名詞 C 〖しばしば～s 〗電極 (→anode , cathode ).

electrolysis

e lec trol y sis /ɪlèktrɑ́ləsɪs |-trɔ́l -/名詞 U 1 〘化〙電気分解 .2 〘医〙電気分解法〘毛根を除去し, 顔などからむだ毛を取り除くために電気を使う治療法〙.e lec tro lyze /ɪléktrəlàɪz /動詞

electrolyte

e lec tro lyte /ɪléktrəlàɪt /名詞 C 〘化〙電解液 ; (時に )電解質 .e l è c tro l ý t ic /-lɪ́tɪk /形容詞

electromagnet

el è ctro m á gnet 名詞 C 電磁石 .

electromagnetic

el è ctro magn é tic 形容詞〖通例名詞の前で〗電磁気の, 電磁石の .～̀ f í eld 〘物理〙電磁界 [場 ].～̀ f ó rce 〘物理〙電磁力 .～̀ radi á tion 〘物理〙電磁放射 (線 ).～̀ w á ves 〘物理〙電磁波 .

electromagnetism

el è ctro m á gnet ì sm 名詞 U 電磁気 (学 ).

electron

e lec tron /ɪléktrɑn |-trɔn /名詞 C 〘物理化〙エレクトロン, 電子 .～́ g ù n 電子銃 .～́ m ì croscope 電子顕微鏡 .

electronic

e lec tron ic /ɪlèktrɑ́nɪk |èlektrɔ́n -/ (! 名詞の前ではel é ctr ò nic ) 形容詞比較なし〖通例名詞の前で〗1 電子工学の , エレクトロニクスの .2 電子の [による ], 電子式の .～̀ b á nking 〘コンピュ〙電子銀行取引, ネットバンキング〘インターネット上で振り込みなどを行うサービス〙.～̀ br á in ｟話｠電子頭脳 [計算機 ].～̀ c á lculator 電卓 .～̀ c á sh 〘コンピュ〙電子マネー〘電子商取引における現金の代替〙.～̀ c í rcuits 〘コンピュ〙電子回路 .～̀ c ó mmerce 〘経コンピュ〙電子商取引, Eコマース .～̀ d á ta ì nterchange 〘コンピュ〙電子データ交換〘コンピュータで受発注決済物流に関するデータを交換すること; ｟略｠EDI 〙.～̀ d à ta pr ó cessing 〘コンピュ〙電子データ [情報 ]処理 (｟略｠EDP ).～̀ fl á sh 〘写〙ストロボ .～̀ f ú nds tr à nsfer 〘コンピュ〙電子式振替決算, 電子資金取引〘金融機関などが相互間の資金取引をネットワーク経由で行うこと; ｟略｠EFT 〙.～̀ g á me ＝video game .～̀ k é yboard 電子鍵盤（けんばん）楽器 .～̀ m á il ｟かたく｠＝e-mail .～̀ m á ilbox 〘コンピュ〙電子メールボックス .～̀ m ó ney ＝electronic cash .～̀ m ú sic 電子音楽 .～̀ ó rganizer 〘コンピュ〙電子手帳 .～̀ p á yment s ỳ stem 電子決済システム .～̀ p ú blishing 電子出版 .～̀ s í gnature ＝digital signature .～̀ surv é illance 電子監視 [情報収集 ].～̀ t á gging 電子所在標識法〘警察が犯罪者に標識を取り付ける〙.～̀ t í cketing 電子発券 .～̀ v í rus 〘コンピュ〙コンピュータウイルス .e l è c tr ó n i cal ly /-k (ə )li /副詞電子的に [を用いて ].

electronics

e lec tron ics /ɪlèktrɑ́nɪks |èlektrɔ́n -/名詞 U 1 〖単数扱い〗エレクトロニクス, 電子工学 .2 〖単数扱い〗電子産業 .3 〖複数扱い; しばしばthe ～〗電子機器 .

electroplate

el é ctro pl à te 動詞他動詞〖通例be ～d 〗【銀ほかの金属で】電気めっきをしてある «with » .名詞 U 〖集合的に〗電気めっきした物 .

electroshock

el é ctro sh ò ck 名詞〘医〙1 U 電気ショック療法 (electroshock therapy [treatment ]).2 C 電気ショック〘精神病治療用〙.