/pol'ee euh kril"euh muyd', -mid, -ak'reuh lam"uyd, -id/ , 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.
[ 1940-45; POLY- + ACRYLAMIDE ]