photopolymerization

[ foh-toh-puh-lim-er-uh-zey-shuh n, -pol-uh-mer- ]
/ ˌfoʊ toʊ pəˌlɪm ər əˈzeɪ ʃən, -ˌpɒl ə mər- /

noun Chemistry.

polymerization induced by light.

Origin of photopolymerization

First recorded in 1915–20; photo- + polymerization