What do a.m. and p.m. stand for?


[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 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for photopolymer
  • The jetting heads deposit a single super-thin layer of photopolymer onto a substrate.
  • He has pioneered the new process to rapidly fabricate micro-scale truss structures from self-propagating photopolymer waveguides.
  • Generated lithographic plates, and flexographic photopolymer plates.
  • photopolymer plates can be used for original and wraparound applications or for making duplicate plates.
  • The rubber stamp dies can be rubber or photopolymer.
  • The majority of flexographic printing is web-fed and uses an image carrier that is made of either rubber or a photopolymer.
British Dictionary definitions for photopolymer


a polymeric material that is sensitive to light: used in printing plates, microfilms, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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