polyacrylic acid

[ pol-ee-uh-kril-ik, pol- ]
/ ˈpɒl i əˈkrɪl ɪk, ˌpɒl- /

noun Chemistry.

a polymer of acrylic acid used as a sizing agent in the manufacture of nylon and other synthetic textiles.

Origin of polyacrylic acid

First recorded in 1925–30; poly- + acrylic