/ Dictionary / Index P polyacrylamide: Meaning and Definition of Find definitions for: pol•y•a•cryl•a•mide Pronunciation: (pol"ē-u-kril'u-mīd", -mid, -ak"ru-lam'īd, -id), [key] — n. Chem. a white, solid, water-soluble polymer of acrylamide, used in secondary oil recovery, as a thickening agent, a flocculant, and an absorbent, and to separate macromolecules of different molecular weights. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. polyacid polyacrylic acid Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language