| 单词 | photochromic |
| 释义 | photochromic[ foh-tuh-kroh-mik ] / ˌfoʊ təˈkroʊ mɪk / adjective(of chemically treated glass or plastic) capable of darkening or changing color when exposed to light. Origin of photochromicFirst recorded in 1950–55; photo- + chrom- + -ic OTHER WORDS FROM photochromicpho·to·chro·mism, nounWords nearby photochromicphotocell, photochemical, photochemical smog, photochemistry, photochemotherapy, photochromic, photochromic lens, photochromy, photochronograph, photocoagulation, photocoagulator Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for photochromicphotochromic / (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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