A substance formally derived from ammonia through the substitution of one or more of the hydrogen atoms by acyl groups, R—CO—NH2, or from a carboxylic acid by replacement of a carboxylic OH by NH2. Replacement of one hydrogen atom constitutes a primary a.; that of two hydrogen atoms, a secondary a.; and that of three atoms, a tertiary a..
- substituted a. a secondary or tertiary a.; peptide linkages are substituted amides.
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am·ide 'am-.īd, -əd n an organic compound derived from ammonia or an amine by replacement of an atom of hydrogen with an acyl group compare IMIDE
amid·ic ə-'mid-ik, a- adj
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am·ide (amґīd) [ammonia + -ide] an organic compound derived from ammonia by substituting an acyl radical for hydrogen, or from an acid by replacing the
OH group by NH2.
Medical dictionary. 2011.