photochromic

adjective

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

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.