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Definition of Peptoid
1. Noun. (organic chemistry) Any of a class of peptide analogues, many of which are peptidomimetic, that have alkyl side chains attached to some of the nitrogen atoms of glycine residues ¹
¹ Source: wiktionary.com
Medical Definition of Peptoid
1. A peptide with one or more non-amino acyl groups (e.g., sugar, lipid, etc.) covalently linked to the peptide. (05 Mar 2000)