photopolymer

[foh-toh-pol-uh-mer]

pho·to·pol·y·mer

[foh-toh-pol-uh-mer]
noun Chemistry.
a polymer or plastic that undergoes a change in physical or chemical properties when exposed to light.

Origin:
photo- + polymer
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Photopolymer is always a great word to know.
So is catalyst. Does it mean:
a substance that causes a chemical reaction without itself being affected
like or containing an alkali, which neutralize acids to form salts and turn red litmus paper blue, or having a pH value greater than 7
Collins
World English Dictionary
photopolymer (ˌfəʊtəʊˈpɒlɪmə)
 
n
a polymeric material that is sensitive to light: used in printing plates, microfilms, etc

Collins English Dictionary - Complete & Unabridged 10th Edition
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