英文英文字典
英文英文字典
古腾堡计划中的在线英语-英语词典
字典
Thinning
(p. pr. & vb. n.)
of Thin
Thinnish
(a.)
Somewhat thin.
Thinolite
(n.)
A calcareous tufa, in part crystalline, occurring on a
large scale as a shore deposit about the Quaternary lake basins of
Nevada.
A combining form (also used adjectively) denoting the presence
of sulphur. See Sulpho-.
Thiocarbonate
(n.)
A sulphocarbonate.
Thiocarbonic
(a.)
Same as Sulphocarbonic.
Thiocyanate
(n.)
Same as Sulphocyanate.
Thiocyanic
(a.)
Same as Sulphocyanic.
Thionaphthene
(n.)
A double benzene and thiophene nucleus, C8H6S,
analogous to naphthalene, and like it the base of a large series of
derivatives.
Thionic
(a.)
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.
Thionine
(n.)
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.
Thionol
(n.)
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.
Thionoline
(n.)
A beautiful fluorescent crystalline substance,
intermediate in composition between thionol and thionine.
Thionyl
(n.)
The hypothetical radical SO, regarded as an essential
constituent of certain sulphurous compounds; as, thionyl chloride.
Thiophene
(n.)
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.
Thiophenic
(a.)
Of, pertaining to, or derived from, thiophene;
specifically, designating a certain acid analogous to benzoic acid.
Thiophenol
(n.)
A colorless mobile liquid, C6H5.SH, of an offensive
odor, and analogous to phenol; -- called also phenyl sulphydrate.
Thiophthene
(n.)
A double thiophene nucleus, C6H4S2, analogous to
thionaphthene, and the base of a large series of compounds.
Thiosulphate
(n.)
A salt of thiosulphuric acid; -- formerly called
hyposulphite.
Thiosulphuric
(a.)
Of, pertaining to, or designating, an unstable acid,
H2S2O3, analogous to sulphuric acid, and formerly called hyposulphurous
acid.