Pronunciation: (kō"pu-lim'u-rīz", kō-pol'u-mu-), [key]
—v.t., v.i., -ized, -iz•ing. Chem.
to subject to or undergo a change analogous to polymerization but with a union of two or more different monomers. Also, esp. Brit.,co"po•lym'er•ise".
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.