聚合反应 jùhéfǎnyìng polymerization Origin Definitions Defs Strokes Stroke Words Sentences Sents 聚合 jùhé to polymerize; polymerization (chemistry) to undergo or cause a chemical reaction where molecules combine to form a polymer, or the process itself反应 反應 fǎnyìng nounverb chemical reaction a process in which substances undergo chemical or physical change