Word.ws English Dictionary

photochromism

photochromism noun: the reversible transformation of the optical properties of a material when exposed to electromagnetic radiation, especially the reversible darkening of a plastic lens when exposed to sunlight.

Noun

photochromism (countable and uncountable, plural photochromisms)

  1. The reversible transformation of the optical properties of a material when exposed to electromagnetic radiation, especially the reversible darkening of a plastic lens when exposed to sunlight.

Forms of photochromism

pluralphotochromisms

Questions about photochromism

What does photochromism mean?
Photochromism means the reversible transformation of the optical properties of a material when exposed to electromagnetic radiation, especially the reversible darkening of a plastic lens when exposed to sunlight.
What part of speech is photochromism?
Photochromism is a noun.
What is the plural of photochromism?
The plural of photochromism is photochromisms.

Words near photochromism in the dictionary

  1. photochromes
  2. photochromic
  3. photochromically
  4. photochromics
  5. photochromies
  6. photochromism
  7. photochromisms
  8. photochromogen
  9. photochromogenic
  10. photochromogenicity
  11. photochromogens

Source and license

Adapted from Wiktionary: photochromism (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “photochromism.” Word.ws, https://word.ws/photochromism. Based on Wiktionary, CC BY-SA 4.0.