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a in which one or more hydrogen atoms have been replaced by an acid atom or radical. Acid amide, a neutral compound formed by the substitution of the amido group for hydroxyl in an acid.

A white crystalline solid, from ammonia by replacement of an equivalent of hydrogen by acetyl.

One of a series of compounds that may be regarded as ammonia in which a part of the hydrogen has been replaced by basic, and another part by acid, atoms or radicals.

A transparent crystalline substance, C6H5.CO.NH2, obtained by the action of ammonia upon chloride of benzoyl, as also by several other reactions with benzoyl compounds.

The technical name for urea.

A compound of chloral and formic amide used to produce sleep.

ative radicals, -- as distinguished from a diamine. Cf. Amido acid, under Amido, and Acid amide, under Amide.

One of a group of crystalline bodies produced by the action of ammonia on certain aldehydes.

An acid amide derived from lactic acid, and obtained as a white crystalline substance having a neutral reaction. It is metameric with alanine.

The acid amide derived from malic acid, as a white crystalline substance metameric with asparagine.

An amido compound with only one amido group.

The acid amide of mucic acid, obtained as a white crystalline substance.

Same as Oxalan.

al substance (C2O2(NH2)2) obtained by treating ethyl oxalate with ammonia. It is the acid amide of oxalic acid. Formerly called also oxalamide.

f cyanogen on aniline, and regarded as an anilide of oxamic acid; -- called also phenyl oxamide.

A yellowish brown substance obtained by heating potassium in ammonia.

A greenish or reddish crystalline substance, NaNH2, obtained by passing ammonia over heated sodium.

Any one of a series of amido compounds obtained by treating sulphuryl chloride with various amines.

An acid amide derivative of tartaric acid, obtained as a white crystalline substance.

A division of struthious birds, including the tinamous.