photochromic

adjective

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pho·to·chro·mic | \ ˌfō-tə-ˈkrō-mik

Definition of photochromic

1 : capable of changing color on exposure to radiant energy (such as light) photochromic glass

2 : of, relating to, or utilizing the change of color shown by a photochromic substance a photochromic process

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Examples of photochromic in a Sentence

Recent Examples on the Web More importantly, the photochromic lens gets darker or lighter to adapt to the day’s brightness and has all-important anti-fog qualities. — Terry Ward, Condé Nast Traveler, "Ski Trip Packing List: All the Essentials for a Weekend On (and Off) the Slopes," 29 Jan. 2020 At the Fendi show the big reveal was a group of photochromic coats created in collaboration with Kunihiko Morinaga, the Anrealage designer who was shortlisted for the 2019 LVMH Prize. — New York Times, "At Milan Men’s Week, the War Lives On," 15 Jan. 2020 Since there weren’t any 3D printable photochromic inks in existence, CSAIL had to create its own. — Emily Matchar, Smithsonian, "These 3D-Printed Objects Can Turn Any Color You Want," 30 Jan. 2018 My favorite feature is the photochromic Reactiv lenses that darken and brighten to suit the light conditions. — Ben Fox, Outside Online, "Our Favorite Sunglasses for Every Activity," 20 Apr. 2018 Other photochromic chemicals are used to make sunglasses that darken when they are taken outside — into bright sunlight. — Aaron Rowe, WIRED, "Video: Amazing Liquid Changes Color in UV Laser Beam," 28 June 2008

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'photochromic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.