"the property of certain compounds by virtue of which they differ in molecular weight and chemical properties though formed from the same elements in the same proportion," 1866, from polymer + -ization.
Entries linking to polymerization
polymer n.
a substance built from a large number of simple molecules of the same kind, 1855, probably from German Polymere (Berzelius, 1830), from Greek polymeres "having many parts," from polys "many" (from PIE root *pele- (1) "to fill") + meros "part" (from PIE root *(s)mer- (2) "to get a share of something").
-ization
word-forming element making nouns of action, process, or state; see -ize + -ation.