English-Thai Dictionary

indicator

N ตัว บอก (สัญลักษณ์ ย่อ คือ  indic เครื่อง บอก  ตัวบ่งชี้  pointer notice symbol tua-bok

 

Webster's 1828 Dictionary

INDICATOR

n.He or that which shows or points out.

 

INDICATORY

a.Showing; serving to show or make known.

 

Webster's 1913 Dictionary

INDICATOR

In "di *ca `tor, n. Etym: [L.: cf. F. indicateur. ]

 

1. One who, or that which, shows or points out; as, a fare indicator in a street car.

 

2. (Mach. )

 

Defn: A pressure gauge; a water gauge, as for a steam boiler; an apparatus or instrument for showing the working of a machine or moving part; as: (a ) (Steam Engine ) An instrument which draws a diagram showing the varying pressure in the cylinder of an engine or pump at every point of the stroke. It consists of a small cylinder communicating with the engine cylinder and fitted with a piston which the varying pressure drives upward more or less against the resistance of a spring. A lever imparts motion to a pencil which traces the diagram on a card wrapped around a vertical drum which is turned back and forth by a string connected with the piston rod of the engine. See Indicator card (below ).(b ) A telltale connected with a hoisting machine, to show, at the surface, the position of the cage in the shaft of a mine, etc.

 

3. (Mech. )

 

Defn: The part of an instrument by which an effect is indicated, as an index or pointer.

 

4. (Zoöl.)

 

Defn: Any bird of the genus Indicator and allied genera. See Honey guide, under Honey.

 

5. (Chem. )

 

Defn: That which indicates the condition of acidity, alkalinity, or the deficiency, excess, or sufficiency of a standard reagent, by causing an appearance, disappearance, or change of color, as in titration or volumetric analysis.

 

Note: The common indicators are limits, tropæolin, phenol phthalein, potassic permanganate, etc. Indicator card, the figure drawn by an engine indicator, by means of which the working of the engine can be investigated and its power calculated. The Illustration shows one form of indicator card, from a steam engine, together with scales by which the pressure of the steam above or below that of the atmosphere, corresponding to any position of the engine piston in its stroke, can be measured. Called also indicator diagram. -- Indicator telegraph, a telegraph in which the signals are the deflections of a magnetic needle, as in the trans-Atlantic system.

 

INDICATORY

INDICATORY In "di *ca *to *ry, a.

 

Defn: Serving to show or make known; showing; indicative; signifying; implying.

 

New American Oxford Dictionary

indicator

in di ca tor |ˈindiˌkātər ˈɪndəˌkeɪdər | ▶noun 1 a thing, esp. a trend or fact, that indicates the state or level of something: car ownership is frequently used as an indicator of affluence. 2 a device providing specific information on the state or condition of something, in particular: • [ usu. with modifier ] a gauge or meter of a specified kind: a speed indicator. • Brit. a turn signal. 3 Chemistry a compound that changes color at a specific pH value or in the presence of a particular substance and can be used to monitor acidity, alkalinity, or the progress of a reaction. 4 (also indicator species ) an animal or plant species that can be used to infer conditions in a particular habitat.

 

indicator diagram

in di ca tor di a gram ▶noun a diagram of the variation of pressure and volume within a cylinder of a reciprocating engine.

 

indicatory

in dic a to ry |inˈdikəˌtôrē ɪnˈdɪkətɔri | ▶adjective rare term for indicative.

 

Oxford Dictionary

indicator

in ¦di |ca ¦tor |ˈɪndɪkeɪtə | ▶noun 1 a thing that indicates the state or level of something: car ownership is frequently used as an indicator of affluence. 2 a device providing specific information on the state or condition of something, in particular: • [ usu. with modifier ] a gauge or meter of a specified kind: a speed indicator. • Brit. a board or screen in a railway station, airport, etc. giving current information. 3 Brit. a flashing light or (formerly ) other device on a vehicle to show that it is about to change lanes or turn. 4 Chemistry a compound which changes colour at a specific pH value or in the presence of a particular substance, and can be used to monitor acidity, alkalinity, or the progress of a reaction. 5 (also indicator species ) an animal or plant species which can be used to infer conditions in a particular habitat.

 

indicator diagram

in ¦di |ca ¦tor dia |gram ▶noun a diagram of the variation of pressure and volume within a cylinder of a reciprocating engine.

 

indicatory

indicatory |ɪnˈdɪkət (ə )ri, ˌɪndɪˈkeɪt (ə )ri | ▶adjective rare term for indicative.

 

American Oxford Thesaurus

indicator

indicator noun the test is used as an indicator of performance: measure, gauge, barometer, guide, index, mark, sign, signal, symptom; bellwether, herald, hint; standard, touchstone, yardstick, benchmark, criterion, point of reference, guideline, test, litmus test.

 

Oxford Thesaurus

indicator

indicator noun 1 these tests are a reliable indicator of performance: measure, gauge, barometer, index, mark, sign, signal; guide to; standard, touchstone, yardstick, benchmark, criterion, point of reference, guideline, test, litmus test. 2 the depth indicator is calibrated in metres: meter, measuring instrument, measuring device, measure, gauge, dial, display, scale, index. 3 a red position indicator points at flap settings: pointer, needle, hand, arrow, marker, index.

 

Duden Dictionary

Indicator

In di ca tor Substantiv, maskulin , der |Indic a tor |der Indicator; Genitiv: des Indicators lateinisch-neulateinisch Gattung der Honiganzeiger spechtartige Vögel des afrikanischen Urwaldes

 

Sanseido Wisdom Dictionary

indicator

in di ca tor /ɪ́ndɪkèɪtə r /名詞 C 1 指示する人 [物 ]; 尺度 .2 表示計器 [装置 ], 発着表示板 ; ｟英 ｠(車の )方向指示器, ウィンカー (｟米 ｠turn signal ).3 〘経 〙経済指標 .4 〘化 〙指示薬 .～̀ l í ght 表示灯 .