lactam

Etymology
From.

Noun

 * 1)  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.

Usage notes
Greek prefixes indicate the ring size e.g. α- 3-membered, β- 4-membered.

Derived terms

 * β-lactam

Translations

 * Finnish: laktaami
 * French:
 * Italian:
 * Portuguese: lactama

Noun

 * 1) sixty