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photochromic

adjective pho·to·chro·mic \ ˌfō-tə-ˈkrō-mik \
Updated on: 26 Apr 2018
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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
—

photochromism

play \ˌfō-tə-ˈkrō-ˌmi-zəm\ noun

Recent Examples of photochromic from the Web

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.

Origin and Etymology of photochromic

phot- + chrom- + 1-ic

Medical Dictionary

1

photochromic

adjective pho·to·chro·mic \ ˌfōt-ə-ˈkrō-mik \

medical Definition of photochromic

1 : capable of changing color on exposure to radiant energy (as light)
  • eyeglasses with photochromic lenses
2 : of, relating to, or utilizing the change of color shown by a photochromic substance
  • a photochromic process
—

photochromism

play \-ˌmiz-əm\ noun
2

photochromic

noun

medical Definition of photochromic

: a photochromic substance —usually used in plural

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