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rbon obtained artificially (as by the action of cyanogen chloride on aniline) as a white, crystalline substance; -- called also diphenyl guanidin.

ng, a complex nitrogenous acid obtained by decomposition of melam, or of urea, as a white crystalline powder; -- called also melanurenic acid.

ted hydrocarbon, C30H60, of the ethylene series, obtained from beeswax as a white, scaly, crystalline wax; -- called also melissene, and melissylene.

pecifically, designating an acid of the aromatic series, obtained from melilot as a white crystalline substance.

Pertaining to, or derived from, the mineral mellite. Mellitic acid (Chem.), a white, crystalline, organic substance, C6(CO2H)6, occurring naturally in combination with aluminium in the mineral mellite, and produced artificially by the oxidation of coal, graphite, etc., and hence called also graphitic acid.…

culus indicus (the fruit of Anamirta Cocculus, formerly Menispermum Cocculus) as a white, crystalline, tasteless powder; -- called also menispermina.

A white, crystalline, aromatic substance resembling camphor, extracted from oil of peppermint (Mentha); -- called also mint camphor or peppermint camphor.

A crystalline substance obtained from mesitylene.

A polymeric modification of acrolein obtained by heating it with caustic potash. It is a crystalline substance having an aromatic odor.

A white crystalline substance isomeric with, and obtained from, acetic aldehyde by polymerization, and reconvertible into the same.

asic acid, HPO3, analogous to nitric acid, and, by heating phosphoric acid, obtained as a crystalline substance, commonly called glacial phosphoric acid.

A stable crystalline compound obtained by the decomposition of hemoglobin. It is found in old blood stains.

designating, a sulphonic (thionic) acid derivative of methane, obtained as a stable white crystalline substance, CH2.(SO3H)2, which forms well defined salts.

A white, silky, crystalline substance extracted from the thick rootstock of a species of pepper (Piper methysticum) of the South Sea Islands; -- called also kanakin.

Of or pertaining to the microcosm. Microcosmic salt (Chem.), a white crystalline substance obtained by mixing solutions of sodium phosphate and ammonium phosphate, and also called hydric-sodic- ammonic-phosphate. It is a powerful flux, and is used as a substitute for borax as a blowpipe reagent in testing for the metal…

mineral, under Agaric. -- Sugar of milk. The sugar characteristic of milk; a hard white crystalline slightly sweet substance obtained by evaporation of the whey of milk. It is used in pellets and powder as a vehicle for homeopathic medicines, and as an article of diet. See Lactose.

stance occurring in nature, having a definite chemical composition and usually a distinct crystalline form. Rocks, except certain glassy igneous forms, are either simple minerals or aggregates of minerals.

A crystalline or frosted appearance produced by some acids on tin plate; also, the tin plate thus treated.

A yellow crystalline substance of acid properties extracted from fustic (Maclura tinctoria, formerly called Morus tinctoria); -- called also moric acid.

ety of tannic acid extracted from fustic (Maclura, formerly Morus, tinctoria) as a yellow crystalline substance; -- called also maclurin.