{ Thal`a*mi*flo"ral (?), Thal`a*mi*flo"rous (?), } a. [See Thalamus, and Floral.] (Bot.) Bearing the stamens directly on the receptacle; — said of a subclass of polypetalous dicotyledonous plants in the system of De Candolle.
Thal"a*mo*cœle` (?), n. [Thalamic + Gr. koi^los hollow.] (Anat.) The cavity or ventricle of the thalamencephalon; the third ventricle.
||Thal`a*moph"o*ra (?), n. pl. [NL., fr. Gr. qa`lamos chamber + &?; to ||bear.] (Zoöl.) Same as Foraminifera. || ||Thal"a*mus (?), n.; pl. Thalami (#). [L. thalamus chamber, Gr. ||qa`lamos.] 1. (Anat.) A mass of nervous matter on either side of the ||third ventricle of the brain; — called also optic thalamus. || 2. (Bot.) (a) Same as Thallus. (b) The receptacle of a flower; a torus.
Tha*las"si*an (?), n. [From Gr. &?; the sea.] (Zoöl.) Any sea tortoise.
Tha*las"sic (?), a. [Gr. &?; the sea.] (Geol.) Of or pertaining to the sea; — sometimes applied to rocks formed from sediments deposited upon the sea bottom.
Thal`as*sin"i*an (?), n. (Zoöl.) Any species of Thalaassinidæ, a family of burrowing macrurous Crustacea, having a long and soft abdomen.
Thal`as*sog"ra*phy (?), n. [Gr. &?; sea + -graphy.] The study or science of the life of marine organisms. Agassiz.
||Tha"ler (?), n. [G. See Dollar.] A German silver coin worth about ||three shillings sterling, or about 73 cents. || Tha*li"a (?), n. [L., fr. Gr. Qa`leia, originally, blooming, luxuriant, akin to qa`llein to be luxuriant.] (Class. Myth.) (a) That one of the nine Muses who presided over comedy. (b) One of the three Graces. (c) One of the Nereids.
||Tha`li*a"ce*a (?), n. pl. [NL. See Thalia.] (Zoöl.) A division of ||Tunicata comprising the free-swimming species, such as Salpa and ||Doliolum. || Tha*li"an (?), a. Of or pertaining to Thalia; hence, of or pertaining to comedy; comic.
Thal"late (?), n. (Chem.) A salt of a hypothetical thallic acid.
Thal"lene (?), n. (Chem.) A hydrocarbon obtained from coal-tar residues, and remarkable for its intense yellowish green fluorescence.
Thal"lic (?), a. (Chem.) Of or pertaining to thallium; derived from, or containing, thallium; specifically, designating those compounds in which the element has a higher valence as contrasted with the thallous compounds; as, thallic oxide.