poly acrylamide

polyacrylamide

[pol-ee-uh-kril-uh-mahyd, -mid, -ak-ruh-lam-ahyd, -id]
noun Chemistry.
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.

Origin:
1940–45; poly- + acrylamide

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American Heritage
Science Dictionary
polyacrylamide   (pŏl'ē-ə-krĭl'ə-mīd')  Pronunciation Key 
A white, water-soluble polymer containing repeating units of acrylamide (C3H5NO)and related to acrylic acid. Polyacrylamide is used in food packaging, adhesives, coatings, and paper manufacturing. It is also used to reduce soil erosion and as a gel for electrophoresis in the laboratory analysis of protein and DNA structures.
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