different between photochromic vs heliochromism

photochromic

English

Adjective

photochromic (comparative more photochromic, superlative most photochromic)

  1. of, related to, or produced by photochromism
  2. (chemistry) Relating to the part of a molecule responsible for its photochromism

Derived terms

photochromic From the web:

  • what photochromic lenses do
  • what's photochromic lenses
  • photochromic what does it mean
  • what are photochromic sunglasses
  • what does photochromic lenses mean
  • what is photochromic lenses for glasses
  • what is photochromic pigment used for
  • what are photochromic materials


heliochromism

English

Noun

heliochromism (uncountable)

  1. (physics, chemistry) The property of certain photochromic materials of colouring in near-ultraviolet light and then fading in its absence; they are used in the lenses of sunglasses

heliochromism From the web:

  • what does heliochrome mean
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