Main Entry: po·ly·mer·iza·tion

Variant(s): also British po·ly·mer·isa·tion \pə-ˌlim-ə-rə-ˈzā-shən, ˌpäl-ə-mə-rə-\

Function: noun

1 : a chemical reaction in which two or more small molecules combine to form larger molecules that contain repeating structural units of the original molecules—compare association 4
2 : reduplication of parts in an organism