/ Dictionary / Index P polyamide: Meaning and Definition of Find definitions for: pol•y•am•ide Pronunciation: (pol"ē-am'īd, -id), [key] — n. Chem. a polymer in which the monomer units are linked together by the amide group –CONH–. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: polyamide (Thesaurus) polyalphabetic substitution polyamine Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language