Noun
English Wikipedia has an article on:photopolymerWikipedia
photopolymer (plural photopolymers)
(chemistry) Any polymer that reacts to light with a physical or chemical change, used especially for teeth fillings
Concord & 9th is an online retail shop offering paper crafting supplies such as photopolymer stamps and dies. Source: Internet
The Any Occasion Stamp Set can do more than that with its photopolymer versatility. Source: Internet