Shak.
Thin"ly (?), a. In a thin manner; in a loose, scattered manner;
scantily; not thickly; as, ground thinly planted with trees; a country
thinly inhabited.
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).
Thin"nish (?), a. Somewhat thin.
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.
Thin"-skinned` (?), a. Having a thin skin; hence, sensitive; irritable.
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.
Thi`o*phen"ic (?), a. (Chem.) Of, pertaining to, or derived from,
thiophene; specifically, designating a certain acid analogous to
benzoic acid.
Thi`o*phe"nol (?), n. [Thio- + phenol.] (Chem.) A colorless mobile
liquid, C6H5.SH, of an offensive odor, and analogous to phenol; —
called also phenyl sulphydrate.
Thi*oph"thene (?), n. [Abbreviated from thionaphthene.] (Chem.) A
double thiophene nucleus, C6H4S2, analogous to thionaphthene, and the
base of a large series of compounds. [Written also thiophtene.]
Thi`o*sul"phate (?), n. (Chem.) A salt of thiosulphuric acid; —
formerly called hyposulphite.
The sodium salt called in photography by the name sodium hyposulphite,
being used as a solvent for the excess of unchanged silver chloride,
bromide, and iodide on the sensitive plate.
Thi`o*sul*phur"ic (?), a. [Thio- + sulphuric.] (Chem.) Of, pertaining
to, or designating, an unstable acid, H2S2O3, analogous to sulphuric
acid, and formerly called hyposulphurous acid.
Thi`o*to"lene (?), n. [Thio- + toluene.] (Chem.) A colorless oily
liquid, C4H3S.CH3, analogous to, and resembling, toluene; — called also
methyl thiophene.
Thi*ox"ene (?), n. [Thiophene + xylene.] (Chem.) Any one of three
possible metameric substances, which are dimethyl derivatives of
thiophene, like the xylenes from benzene.
Third (thrd), a. [OE. thirde, AS. þridda, fr. þr, þreó, three; akin to
D. derde third, G. dritte, Icel. þriði, Goth. þridja, L. tertius, Gr.
tri`tos, Skr. ttya. See Three, and cf. Riding a jurisdiction, Tierce.]
1. Next after the second; coming after two others; — the ordinal of
three; as, the third hour in the day. "The third night." Chaucer.
2. Constituting or being one of three equal parts into which anything
is divided; as, the third part of a day.
Third estate. (a) In England, the commons, or the commonalty, who are
represented in Parliament by the House of Commons. (b) In France, the
tiers état. See Tiers état. Third order (R. C. Ch.), an order attached
to a monastic order, and comprising men and women devoted to a rule of
pious living, called the third rule, by a simple vow if they remain
seculars, and by more solemn vows if they become regulars. See
Tertiary, n., 1. — Third person (Gram.), the person spoken of. See
Person, n., 7. — Third sound. (Mus.) See Third, n., 3.
Third (?), n. 1. The quotient of a unit divided by three; one of three
equal parts into which anything is divided.