What does photochromism mean?
Definitions for photochromism
pho·tochromism
This dictionary definitions page includes all the possible meanings, example usage and translations of the word photochromism.
Wiktionary
photochromismnoun
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.
Wikipedia
Photochromism
Photochromism is the reversible transformation of a chemical species (photoswitch) between two forms by the absorption of electromagnetic radiation (photoisomerization), where the two forms have different absorption spectra. In plain language, this can be described as a reversible change of color upon exposure to light.
Wikidata
Photochromism
Photochromism is the reversible transformation of a chemical species between two forms by the absorption of electromagnetic radiation, where the two forms have different absorption spectra. Trivially, this can be described as a reversible change of colour upon exposure to light. The phenomenon was discovered in the late 1880s, including work by Markwald, who studied the reversible change of color of 2,3,4,4-tetrachloronaphthalen-1-one in the solid state. He labeled this phenomenon "phototropy", and this name was used until the 1950s when Yehuda Hirshberg, of the Weizmann Institute of Science in Israel proposed the term "photochromism". Photochromism can take place in both organic and inorganic compounds, and also has its place in biological systems.
Numerology
Chaldean Numerology
The numerical value of photochromism in Chaldean Numerology is: 6
Pythagorean Numerology
The numerical value of photochromism in Pythagorean Numerology is: 1
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"photochromism." Definitions.net. STANDS4 LLC, 2024. Web. 23 Apr. 2024. <https://www.definitions.net/definition/photochromism>.
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