Webster's Dictionary 1913

1729

Tetravalence

Te‐trav″a‐lence (?), n.(Chem.) The quality or state of being tetravalent; quadrivalence.

1730

Tetravalent

Te‐trav″a‐lent (?), a. [Tetra- + L. valens, -entis, p. pr.] (Chem.) Having a valence of four; tetratomic; quadrivalent.

1731

Tetraxile

Te‐trax″ile (?), a. [Tetra- + axile.] (Zoöl.) Having four branches diverging at right angles; — said of certain spicules of sponges.

1732

Tetrazine

{ Tet‐raz″ine (?), n. Also –in }. [Tetrazo- + -ine.] (Chem.) A hypothetical compound, C2H2N4 which may be regarded as benzene with four CH groups replaced by nitrogen atoms; als...

1733

Tetrazo-

Tet‐raz″o– (?), a. [Tetra- + azo–.] (Chem.) A combining form (also used adjectively), designating any one of a series of double derivatives of the azo and diazo compounds contai...

1734

Tetrazole

Tet‐raz″ole (?), n. [Tetrazo- + -ole.] (Org. Chem.) A crystalline acid substance, CH2N4, which may be regarded as pyrrol in which nitrogen atoms replace three CH groups; also, a...

1735

Tetrazone

Tet″ra‐zone (?), n.(Chem.) Any one of a certain series of basic compounds containing a chain of four nitrogen atoms; for example, ethyl tetrazone, (C2H5)2N.N2.N(C2H5)2, a colorl...

1736

Tetric

{ Tet″ric (?), Tet″ri‐cal (?), } a. [L. tetricus, taetricus, from teter, taeter, offensive, foul.] Forward; perverse; harsh; sour; rugged. — Tet″ric‐al‐ness, n.

1737

Tetricity

Te‐tric″i‐ty (?), n. [L. tetricitas, taetricitas.] Crabbedness; perverseness.

1738

Tetricous

Tet″ric‐ous (?), a. Tetric.

1739

Tetrinic

Te‐trin″ic (?), a. [See Tetra-.] (Chem.) Of, pertaining to, or designating, a complex ketonic acid, C5H6O3, obtained as a white crystalline substance; — so called because once s...

1740

Tetrodon

Tet″ro‐don (?), n. [Tetra- + Gr. �, �, tooth.] (Zoöl.) Any one of numerous species of plectognath fishes belonging to Tetrodon and allied genera. Each jaw is furnished with two ...

1741

Tetrodont

Tet″ro‐dont (?), a.(Zoöl.) Of or pertaining to the tetrodons. — n. A tetrodon. [Written also tetradont, and tetraodont.]

1742

Tetrol

Tet″rol (?), n. [Tetra- + benzol.] (Chem.) A hypothetical hydrocarbon, C4H4, analogous to benzene; — so called from the four carbon atoms in the molecule.Tetrol phenol, furfuran.

1743

Tetrolic

Tet‐rol″ic (?), a.(Chem.) Of, pertaining to, or designating, an acid, C3H3.CO2H, of the acetylene series, homologous with propiolic acid, obtained as a white crystalline substance.

1744

Tetrose

Tet″rose (?), n. [Tetra- + -ose.] (Chem.) A monosaccharide derived from a certain alcohol.

1745

Tetroxide

Tet‐rox″ide (?), n. [Tetra– + oxide.] (Chem.) An oxide having four atoms of oxygen in the molecule; a quadroxide; as, osmium tetroxide, OsO�.

1746

Tetryl

Tet″ryl (?), n. [Tetra– + -yl.] (Chem.) Butyl; — so called from the four carbon atoms in the molecule.

1747

Tetrylene

Tet″ryl‐ene (?), n. [Tetra– + ethylene.] (Chem.) Butylene; — so called from the four carbon atoms in the molecule.

1748

Tetter

Tet″ter (?), n. [OE. teter, AS. teter, tetr; akin to G. zitter, zittermal, OHG. zittaroch, Skr. dadru, dadruka, a sort of skin disease. √63, 240.] (Med.) A vesicular disease of ...

1749

Tetter (2)

Tet″ter, v. t. [imp. & p. p.Tettered (?); p. pr. & vb. n.Tettering.] To affect with tetter. Shak.

1750

Tetter-totter

Tet″ter–tot′ter (?), n. [See Teeter.] A certain game of children; seesaw; — called also titter-totter, and titter-cum-totter.

1751

Tetterous

Tet″ter‐ous (?), a. Having the character of, or pertaining to, tetter.

1752

Tetterwort

Tet″ter‐wort′ (?), n.(Bot.) A plant used as a remedy for tetter, — in England the calendine, in America the bloodroot.

1753

Tettigonian

Tet′ti‐go″ni‐an (?), n.(Zoöl.) Any one of numerous species of Hemiptera belonging to Tettigonia and allied genera; a leaf hopper.

1754

Tettish

Tet″tish (?), a. [Cf. Testy.] Captious; testy. [Written also teatish.] Beau. & Fl.

1755

Tettix

‖Tet″tix (?), n. 1. (Zoöl.) The cicada.2. (Zoöl.) A genus of small grasshoppers.