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photochromic

[ foh-tuh-kroh-mik ]
/ ˌfoʊ təˈkroʊ mɪk /
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adjective
(of chemically treated glass or plastic) capable of darkening or changing color when exposed to light.
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Origin of photochromic

First recorded in 1950–55; photo- + chrom- + -ic

OTHER WORDS FROM photochromic

pho·to·chro·mism, noun

Words nearby photochromic

photocathode, photocell, photochemical, photochemical smog, photochemistry, photochromic, photochromy, photochronograph, photocoagulation, photocompose, photocomposer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use photochromic in a sentence

British Dictionary definitions for photochromic

photochromic
/ (ˌfəʊtəʊˈkrəʊmɪk) /
adjective
(of glass) changing colour with the intensity of incident light, used, for example, in sunglasses that darken as the sunlight becomes brighter
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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