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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

Capable of changing color on exposure to radiant energy.

Usage examples (37)
  • By the way, the "photochromic" sun specs which darken under UV exposure aren't quite the miracle claimed by their makers.
  • April 28th, 2009 WASHINGTON - A revolutionary 'photochromic' material developed by Japanese researchers changes colour instantaneously when exposed to light.
  • Everything was built into the MHW and secured as tightly as the photochromic visor.
  • For years, photochromic lenses were too dark indoors, too light outdoors, and nerdy everywhere. for more
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