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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.

Valeridine :: Valeridine (n.) A base, C10H19N, produced by heating valeric aldehyde with ammonia. It is probably related to the conine alkaloids..

Glyoxaline :: Glyoxaline (n.) A white, crystalline, organic base, C3H4N2, produced by the action of ammonia on glyoxal, and forming the origin of a large class of derivatives hence, any one of the series of which glyoxaline is a type; -- called also oxaline..

Ammoniac :: Ammoniac (n.) Alt. of Gum ammonia.

Alkali :: Alkali (n.) One of a class of caustic bases, such as soda, potash, ammonia, and lithia, whose distinguishing peculiarities are solubility in alcohol and water, uniting with oils and fats to form soap, neutralizing and forming salts with acids, turning to brown several vegetable yellows, and changing reddened litmus to blue..

Unsaturated :: Unsaturated (a.) Capable of taking up, or of uniting with, certain other elements or compounds, without the elimination of any side product; thus, aldehyde, ethylene, and ammonia are unsaturated..

Substitution :: Substituted (a.) Containing substitutions or replacements; having been subjected to the process of substitution, or having some of its parts replaced; as, alcohol is a substituted water; methyl amine is a substituted ammonia..

Erythrogen :: Erythrogen (n.) A crystalline substance obtained from diseased bile, which becomes blood-red when acted on by nitric acid or ammonia..

Salifiable :: Salifiable (a.) Capable of neutralizing an acid to form a salt; -- said of bases; thus, ammonia is salifiable..

Ammoniacal :: Ammoniacal (a.) Of or pertaining to ammonia, or possessing its properties; as, an ammoniac salt; ammoniacal gas..

Amidogen :: Amidogen (n.) A compound radical, NH2, not yet obtained in a separate state, which may be regarded as ammonia from the molecule of which one of its hydrogen atoms has been removed; -- called also the amido group, and in composition represented by the form amido..

Phosphine :: Phosphine (n.) A colorless gas, PH3, analogous to ammonia, and having a disagreeable odor resembling that of garlic. Called also hydrogen phosphide, and formerly, phosphureted hydrogen..

Strychnia :: Struvite (n.) A crystalline mineral found in guano. It is a hydrous phosphate of magnesia and ammonia.

Ammoniac :: Ammoniac (a.) Alt. of Ammoniaca.

Salmiac :: Salmiac (n.) Sal ammoniac. See under Sal.

Spirit :: Spirit (n.) Any one of the four substances, sulphur, sal ammoniac, quicksilver, or arsenic (or, according to some, orpiment)..

Scammony :: Scammony (n.) An inspissated sap obtained from the root of the Convolvulus Scammonia, of a blackish gray color, a nauseous smell like that of old cheese, and a somewhat acrid taste. It is used in medicine as a cathartic..

Potassamide :: Potassamide (n.) A yellowish brown substance obtained by heating potassium in ammonia.

Trivalent :: Trivalent (a.) Having a valence of three; capable of being combined with, substituted for, or compared with, three atoms of hydrogen; -- said of triad atoms or radicals; thus, nitrogen is trivalent in ammonia..

Rhodammonium :: Rhodammonium (a.) Pertaining to, derived from, or containing, rhodium and ammonia; -- said of certain complex compounds..

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