photopolymer

[ foh-toh-pol-uh-mer ]
/ ˌfoʊ toʊˈpɒl ə mər /

noun Chemistry.

a polymer or plastic that undergoes a change in physical or chemical properties when exposed to light.

Origin of photopolymer

British Dictionary definitions for photopolymer

photopolymer
/ (ˌfəʊtəʊˈpɒlɪmə) /

noun

a polymeric material that is sensitive to light: used in printing plates, microfilms, etc