lactam(redirected from Lactams, macrocyclic)
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A cyclic amide, or any compound containing it, formed by the intramolecular condensation of an amino carboxylic acid.
(Elements & Compounds) chem any of a group of inner amides, derived from amino acids, having the characteristic group -CONH-
[C20: from lact(one) + am(ide)]
any of a group of cyclic amides characterized by the NHCO group.