n. [ Acetyl + amide. ] (Chem.) A white crystalline solid, from ammonia by replacement of an equivalent of hydrogen by acetyl. [ 1913 Webster ]

n. [ Alkali + amide. ] (Chem.) One of a series of compounds that may be regarded as ammonia in which a part of the hydrogen has been replaced by basic, and another part by acid, atoms or radicals. [ 1913 Webster ]

n. [ Ammonia + -ide. ] (Chem.) A compound formed by the union of amidogen with an acid element or radical. It may also be regarded as ammonia in which one or more hydrogen atoms have been replaced by an acid atom or radical. [ 1913 Webster ]

Acid amide, a neutral compound formed by the substitution of the amido group for hydroxyl in an acid. [ 1913 Webster ]

n. [ Benzoin + amide. ] (Chem.) 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. [ 1913 Webster ]

n. [ Carbonyl + amide. ] (Chem.) The technical name for urea. [ 1913 Webster ]

n. [ Chloral + amide. ] (Chem.) A compound of chloral and formic amide used to produce sleep. [ 1913 Webster ]

n. [ Pref. di- + amide. ] (Chem.) Any compound containing two amido groups united with one or more acid or negative radicals, -- as distinguished from a diamine. Cf. Amido acid, under Amido, and Acid amide, under Amide. [ 1913 Webster ]

n. [ Hydr- + -amide. ] (Chem.) One of a group of crystalline bodies produced by the action of ammonia on certain aldehydes. [ 1913 Webster ]

n. [ Lactic + amide. ] (Chem.) An acid amide derived from lactic acid, and obtained as a white crystalline substance having a neutral reaction. It is metameric with alanine. [ 1913 Webster ]

n. [ Malic + amide. ] (Chem.) The acid amide derived from malic acid, as a white crystalline substance metameric with asparagine. [ 1913 Webster ]

n. [ Mon- + amide. ] (Chem.) An amido compound with only one amido group; a monoamide. [ 1913 Webster ]

n. [ Mucic + amide. ] (Chem.) The acid amide of mucic acid, obtained as a white crystalline substance. [ 1913 Webster ]

n. The amide of niacin (nicotinic acid), called also nicotinamide. It was at one time called vitamin B₃, and can function to relieve nicotinic acid deficiency. Chemical formula C6H6N2O, chemically it is 3-pyridinecarboxamide.
Syn. -- nicotinic acid amide, nicotinamide. [ PJC ]

n. [ Oxaluric + amide. ] (Chem.) Same as Oxalan. [ 1913 Webster ]

n, [ Oxalic + amide. ] (Chem.) 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. [ 1913 Webster ]

n. [ Oxanilic + amide. ] (Chem.) A white crystalline nitrogenous substance, obtained indirectly by the action of cyanogen on aniline, and regarded as an anilide of oxamic acid; -- called also phenyl oxamide. [ 1913 Webster ]

n. A white crystalline compound used as an analgesic and also as an antipyretic.
Syn. -- acetanilide, acetanilid. [ WordNet 1.5 ]

n. [ Potassium + amide. ] (Chem.) A yellowish brown substance obtained by heating potassium in ammonia. [ 1913 Webster ]

n. (Chem.) A greenish or reddish crystalline substance, NaNH2, obtained by passing ammonia over heated sodium. [ 1913 Webster ]

n. (Chem.) Any one of a series of amido compounds obtained by treating sulphuryl chloride with various amines. [ 1913 Webster ]

n. [ Tarto- + amide. ] (Chem.) An acid amide derivative of tartaric acid, obtained as a white crystalline substance. [ 1913 Webster ]

‖n. pl. [ NL. ] (Zool.) A division of struthious birds, including the tinamous. [ 1913 Webster ]

n. [ tri- + amine. ] (Chem.) An amide containing three amido groups. [ 1913 Webster ]

n. [ Valeric + amide. ] (Chem.) The acid amide derivative of valeric acid, obtained as a white crystalline substance. [ 1913 Webster ]

n. [ Xanthic + amide. ] (Chem.) An amido derivative of xanthic acid obtained as a white crystalline substance, C2H5O.CS.NH2; -- called also xanthogen amide. [ 1913 Webster ]

n. [ Xylic + amide. ] (Chem.) An acid amide derivative of xylic acid, obtained as a white crystalline substance. [ 1913 Webster ]