English-Thai Dictionary
tetrad
N กลุ่ม สี่ คน หรือ สี่ สิ่ง ธาตุ หรือ อะตอม ที่ มี สี่ วาเลน ซี
tetradactyle
A ที่ มี นิ้วเท้า สี่ นิ้ว
tetradactylous
A ที่ มี นิ้วเท้า สี่ นิ้ว
Webster's 1828 Dictionary
TETRAD
n.[Gr. the number four. ] The number four; a collection of four things.
TETRADACTYLOUS
a.[Gr. ] Having four toes.
TETRADIAPASON
n.[Gr. four, and diapason. ] Quadruple diapason or octave; a musical chord, otherwise called a quadruple eighth or twenty ninth.
TETRADRACHMA
n.[Gr. ] In ancient coinage, a silver coin worth four drachmas, 3s. sterling, or 66 2 /3 cents; the drachma being estimated at 9d. sterling, or 16 2 /3 cents.
TETRADYNAMIAN
n.[Gr. power, strength. ] In botany, a plant having six stamens, four of which are longer than the others.
TETRADYNAMIAN
a.Having six stamens, four or which are uniformly longer than the others.
Webster's 1913 Dictionary
TETRAD
Tet "rad, n. Etym: [L. tetras, -adis, Gr. tétrade.]
1. The number four; a collection of four things; a quaternion.
2. (Chem. )
Defn: A tetravalent or quadrivalent atom or radical; as, carbon is a tetrad.
TETRADACTYL; TETRADACTYLE
Tet `ra *dac "tyl, Tet `ra *dac "tyle, a. Etym: [Cf. F. tétradactyle.](Zoöl.)
Defn: Tetradactylous.
TETRADACTYLOUS
Tet `ra *dac "tyl *ous, a. Etym: [Gr. Tetra- ) + (Zoöl.)
Defn: Having, or characterized by, four digits to the foot or hand.
TETRADECANE
Tet `ra *dec "ane, n. Etym: [Tetra- + Gr. (Chem. )
Defn: A light oily hydrocarbon, C14H3 , of the marsh-gas series; -- so called from the fourteen carbon atoms in the molecule.
TETRADECAPODA
Tet `ra *de *cap "o *da, n. pl. Etym: [NL. See Tetra-, and Decapoda. ](Zoöl.)
Defn: Same as Arthrostraca.
TETRADIC
TETRADIC Tet *rad "ic, a. (Chem. )
Defn: Of or pertaining to a tetrad; possessing or having the characteristics of a tetrad; as, a carbon is a tetradic element.
TETRADITE
Tet "ra *dite, n. Etym: [See Tetrad. ]
Defn: A person in some way remarkable with regard to the number four, as one born on the fourth day of the month, or one who reverenced four persons in the Godhead. Smart.
TETRADON
TETRADON Tet "ra *don, n. (Zoöl.)
Defn: See Tetrodon.
TETRADONT
TETRADONT Tet "ra *dont, a. & n. (Zoöl.)
Defn: See Tetrodont.
TETRADRACHM; TETRADRACHMA
Tet "ra *drachm, Tet `ra *drach "ma, n. Etym: [NL. tetradrachma, fr. Gr. Tetra- ) +
Defn: A silver coin among the ancient Greeks, of the value of four drachms. The Attic tetradrachm was equal to 3s. 3d. sterling, or about 76 cents.
TETRADYMITE
Tet *rad "y *mite, n. Etym: [Gr. (Min. )
Defn: A telluride of bismuth. It is of a pale steel-gray color and metallic luster, and usually occurs in foliated masses. Calles also telluric bismuth.
TETRADYNAMIA
Tet `ra *dy *na "mi *a, n. pl. Etym: [NL. , fr. Gr. Tetra- ) + (Bot. )
Defn: A Linnæan class of plants having six stamens, four of which are longer than the others.
TETRADYNAMIAN
TETRADYNAMIAN Tet `ra *dy *na "mi *an, n. (Bot. )
Defn: A plant of the order Tetradynamia.
TETRADYNAMIAN; TETRADYNAMOUS
TETRADYNAMIAN; TETRADYNAMOUS Tet `ra *dy *na "mi *an, Tet `ra *dyn "a *mous, a. (Bot. )
Defn: Belonging to the order Tetradynamia; having six stamens, four of which are uniformly longer than the others.
New American Oxford Dictionary
tetrad
tet rad |ˈteˌtrad ˈtɛtræd | ▶noun technical a group or set of four. ORIGIN mid 17th cent.: from Greek tetras, tetrad- ‘four, a group of four. ’
tetradactyl
tet ra dac tyl |ˌtetrəˈdaktl ˌtɛtrəˈdæktl | ▶adjective Zoology (of a vertebrate limb ) having four toes or fingers.
Oxford Dictionary
tetrad
tetrad |ˈtɛtrad | ▶noun technical a group or set of four. ORIGIN mid 17th cent.: from Greek tetras, tetrad- ‘four, a group of four ’.
tetradactyl
tetradactyl |ˌtɛtrəˈdaktɪl | ▶adjective Zoology (of a vertebrate limb ) having four toes or fingers. DERIVATIVES tetradactyly noun
Duden Dictionary
Tetrade
Te t ra de , Te tra de Substantiv, feminin Philosophie , die |Tetr a de |die Tetrade; Genitiv: der Tetrade, Plural: die Tetraden die Vierheit; das aus vier Einheiten bestehende Ganze
Spanish Dictionary
tétrada
tétrada nombre femenino Conjunto de cuatro elementos vinculados entre sí :una tétrada de acordes .