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Cyanite :: Cyanite (n.) A mineral occuring in thin-bladed crystals and crystalline aggregates, of a sky-blue color. It is a silicate of aluminium..

Daphnin :: Daphnin (n.) A white, crystalline, bitter substance, regarded as a glucoside, and extracted from Daphne mezereum and D. alpina..

Oxamide :: Oxamide (n) A white crystalline neutral substance (C2O2(NH2)2) obtained by treating ethyl oxalate with ammonia. It is the acid amide of oxalic acid. Formerly called also oxalamide.

Effloresce :: Effloresce (v. i.) To change on the surface, or throughout, to a whitish, mealy, or crystalline powder, from a gradual decomposition, esp. from the loss of water, on simple exposure to the air; as, Glauber's salts, and many others, effloresce..

Dinaphthyl :: Dinaphthyl (n.) A colorless, crystalline hydrocarbon, C20H14, obtained from naphthylene, and consisting of a doubled naphthylene radical..

Solanicine :: Solanicine (n.) An alkaloid produced by the action of hydrochloric acid on solanidine, as a tasteless yellow crystalline substance..

Metaldehyde :: Metaldehyde (n.) A white crystalline substance isomeric with, and obtained from, acetic aldehyde by polymerization, and reconvertible into the same..

Flavol :: Flavol (n.) A yellow, crystalline substance, obtained from anthraquinone, and regarded as a hydroxyl derivative of it..

Coerulignone :: Coerulignone (n.) A bluish violet, crystalline substance obtained in the purification of crude wood vinegar. It is regarded as a complex quinone derivative of diphenyl; -- called also cedriret..

Veratrine :: Veratrine (n.) A poisonous alkaloid obtained from the root hellebore (Veratrum) and from sabadilla seeds as a white crystalline powder, having an acrid, burning taste. It is sometimes used externally, as in ointments, in the local treatment of neuralgia and rheumatism. Called also veratria, and veratrina..

Sulphinic :: Sulphine (n.) Any one of a series of basic compounds which consist essentially of sulphur united with hydrocarbon radicals. In general they are oily or crystalline deliquescent substances having a peculiar odor; as, trimethyl sulphine, (CH3)3S.OH. Cf. Sulphonium..

Quercite :: Quercite (n.) A white crystalline substance, C6H7(OH)5, found in acorns, the fruit of the oak (Quercus). It has a sweet taste, and is regarded as a pentacid alcohol..

Xyloquinone :: Xyloquinone (n.) Any one of a group of quinone compounds obtained respectively by the oxidation of certain xylidine compounds. In general they are yellow crystalline substances.

Neurine :: Neurine (n.) A poisonous organic base (a ptomaine) formed in the decomposition of protagon with boiling baryta water, and in the putrefraction of proteid matter. It was for a long time considered identical with choline, a crystalline body originally obtained from bile. Chemically, however, choline is oxyethyl-trimethyl-ammonium hydroxide, while neurine is vinyl-trimethyl-ammonium hydroxide..

Phthalimide :: Phthalimide (n.) An imido derivative of phthalic acid, obtained as a white crystalline substance, C6H4.(CO)2NH, which has itself (like succinimide) acid properties, and forms a series of salts. Cf. Imido acid, under Imido..

Xanthorhamnin :: Xanthorhamnin (n.) A glucoside extracted from Persian berries as a yellow crystalline powder, used as a dyestuff..

Parabanic :: Parabanic (a.) Pertaining to, or designating, a nitrogenous acid which is obtained by the oxidation of uric acid, as a white crystalline substance (C3N2H2O3); -- also called oxalyl urea..

Naphthylamine :: Naphthylamine (n.) One of two basic amido derivatives of naphthalene, C10H7.NH2, forming crystalline solids..

Ricinine :: Ricinine (n.) A bitter white crystalline alkaloid extracted from the seeds of the castor-oil plant.

Norite :: Norite (n.) A granular crystalline rock consisting essentially of a triclinic feldspar (as labradorite) and hypersthene.

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