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Lactam definition

lăktăm
A cyclic amide, or any compound containing it, formed by the intramolecular condensation of an amino carboxylic acid.
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Any of a group of organic cyclic compounds containing the NHCO group in the ring, formed by the elimination of water from the amino and carboxyl groups; inner anhydride of an amino acid.
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(organic chemistry) Any of a class of cyclic amides, that are the nitrogen analogs of lactones, formed by heating amino acids; the tautomeric enol forms are known as lactims.
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Other Word Forms

Noun

Singular:
lactam
Plural:
lactams

Origin of lactam

  • lact(one) am(ide)

    From American Heritage Dictionary of the English Language, 5th Edition