I. Taylor.

Ti"tan*ate (?), n. (Chem.) A salt of titanic acid.

Ti*tan"ic (?), a. Of or relating to Titans, or fabled giants of ancient

mythology; hence, enormous in size or strength; as, Titanic structures.

Ti*tan"ic (?), a. [Cf. F. titanique.] (Chem.) Of or pertaining to

titanium; derived from, or containing, titanium; specifically,

designating those compounds of titanium in which it has a higher

valence as contrasted with the titanous compounds.

Titanic acid (Chem.), a white amorphous powder, Ti.(OH)4, obtained by

decomposing certain titanates; — called also normal titanic acid. By

extension, any one of a series of derived acids, called also

metatitanic acid, polytitanic acid, etc. — Titanic iron ore. (Min.) See

Menaccanite.

Ti`tan*if"er*ous (?), a. [Titanium + -ferous: cf. F. titanifère.]

Containing or affording titanium; as, titaniferous magnetite.

Ti"tan*ite (?), n. [Cf. F. titanite; - - so called from containing

titanic acid.] (Min.) See Sphene.

Ti`tan*it"ic (?), a. Pertaining to, or containing, titanium; as, a

titanitic mineral.

Ti*ta"ni*um (?), n. [NL., fr. L. Titani or Titanes, Gr. &?;, the sons

of the earth.] (Chem.) An elementary substance found combined in the

minerals manaccanite, rutile, sphene, etc., and isolated as an

infusible iron-gray amorphous powder, having a metallic luster. It

burns when heated in the air. Symbol Ti. Atomic weight 48.1.

Ti"tan*o- (?). (Chem.) A combining form (also used adjectively)

designating certain double compounds of titanium with some other

elements; as, titano-cyanide, titano-fluoride, titano-silicate, etc.

||Ti`tan*o*the"ri*um (?), n. [NL., fr. Gr. &?; a Titan + &?;, dim. of

||&?; a beast.] (Paleon.) A large American Miocene mammal, allied to

||the rhinoceros, and more nearly to the extinct Brontotherium.

||

Ti"tan*ous (?), a. Designating certain compounds of titanium in which

that element has a lower valence as contrasted with titanic compounds.

Tit"bit` (?), n. Same as Tidbit.

The Gutenberg Webster's Unabridged Dictionary: Section T, U, V, and W · 第 650 / 3573 题