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British Dictionary definitions for dichroic filter

dichroic filter

noun
  1. an optical colour filter operating on the principle of wave interference between closely spaced reflecting surfaces, rather than by colour absorption
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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