photochromism

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Definitions of photochromism word

noun photochromism the reversible transformation of something's colour due to exposure to electromagnetic radiation such as sunlight 0
noun photochromism 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. 0

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This term is known only to a narrow circle of people with rare knowledge. Only 7% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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