SG Heritage Dictionary

Lactam [Noun] Webster's Dictionary 1913

One of a series of anhydrides of an amido type, analogous to the lactones, as oxindol.

Lactamic [Adjective] Webster's Dictionary 1913

Pertaining to, or designating, an amido acid related to lactic acid, and called also amido-propionic acid.

Lactamide [Noun] Webster's Dictionary 1913

An acid amide derived from lactic acid, and obtained as a white crystalline substance having a neutral reaction. It is metameric with alanine.