Thin"ner (?), n. One who thins, or makes thinner.

Thin"ness, n. The quality or state of being thin (in any of the senses of the word).

The 1913 Webster Unabridged Dictionary: Letters T, U, V & W — Part 204

Thin"o*lite (?), n. [Gr. &?;, &?;, shore + -lite.] (Min.) A calcareous tufa, in part crystalline, occurring on a large scale as a shore deposit about the Quaternary lake basins of Nevada.

The 1913 Webster Unabridged Dictionary: Letters T, U, V & W — Part 204

Thin"-skinned` (?), a. Having a thin skin; hence, sensitive; irritable.

The 1913 Webster Unabridged Dictionary: Letters T, U, V & W — Part 204

Thi"o- (?). [Gr. &?; brimstone, sulphur.] (Chem.) A combining form (also used adjectively) denoting the presence of sulphur. See Sulpho-.

Thi`o*car"bon*ate (?), n. (Chem.) A sulphocarbonate.

Thi`o*car*bon"ic (?), a. [Thio- + carbonic.] (Chem.) Same as Sulphocarbonic.

Thi`o*cy"a*nate (?), n. (Chem.) Same as Sulphocyanate.

Thi`o*cy*an"ic (?), a. [Thio- + cyanic.] (Chem.) Same as Sulphocyanic.

Thi`o*naph"thene (?), n. [Thiophene + naphthalene.] (Chem.) A double benzene and thiophene nucleus, C8H6S, analogous to naphthalene, and like it the base of a large series of derivatives. [Written also thionaphtene.]

Thi*on"ic (?), a. [Gr. &?; brimstone, sulphur.] (Chem.) Of or pertaining to sulphur; containing or resembling sulphur; specifically, designating certain of the thio compounds; as, the thionic acids. Cf. Dithionic, Trithionic, Tetrathionic, etc.

Thi"on*ine (?), n. [Gr. &?; brimstone, sulphur.] (Chem.) An artificial red or violet dyestuff consisting of a complex sulphur derivative of certain aromatic diamines, and obtained as a dark crystalline powder; — called also phenylene violet.

Thi"on*ol (?), n. [Thionine + - ol.] (Chem.) A red or violet dyestuff having a greenish metallic luster. It is produced artificially, by the chemical dehydration of thionine, as a brown amorphous powder.

Thi*on"o*line (?), n. (Chem.) A beautiful fluorescent crystalline substance, intermediate in composition between thionol and thionine.

Thi"on*yl (?), n. [Thionic + - yl.] (Chem.) The hypothetical radical SO, regarded as an essential constituent of certain sulphurous compounds; as, thionyl chloride.

Thi"o*phene (?), n. [Thio- + phenyl + -ene.] (Chem.) A sulphur hydrocarbon, C4H4S, analogous to furfuran and benzene, and acting as the base of a large number of substances which closely resemble the corresponding aromatic derivatives.