- photochromism
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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.
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photochromism
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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. [ [http://pubs.acs.org/journals/chreay/thematic/00/photo.html Chemical … Wikipedia
photochromism — fotochromija statusas T sritis chemija apibrėžtis Medžiagos savybė dėl šviesos poveikio grįžtamai keisti spalvą. atitikmenys: angl. photochromy; photochromism rus. фотохромия … Chemijos terminų aiškinamasis žodynas
photochromism — noun see photochromic … New Collegiate Dictionary
Photochromism — Фотохромизм (обратимое изменение окраски под действием света) … Краткий толковый словарь по полиграфии
photochromism — pho·to·chro·mism … English syllables
photochromism — /foʊtəˈkroʊmɪzəm/ (say fohtuh krohmizuhm) noun a reversible process in which a solid changes colour on exposure to light and reverts to the original in the dark …
photochromism — n. property of changing colour on exposure to light or other radiation and of reverting to original colour immediately the light or radiation source is removed. ♦ photochromic, a … Dictionary of difficult words
photochromism — noun see photochromic I … Useful english dictionary
photochromic — photochromism, n. /foh teuh kroh mik/, adj. (of chemically treated glass or plastic) capable of darkening or changing color when exposed to light. [1950 55; PHOTO + CHROM + IC] * * * … Universalium
Photochromie — Unter Photochromie versteht man die lichtinduzierte reversible Umwandlung zweier Spezies ineinander unter Änderung des Absorptionsspektrums sowie damit einhergehend ihrer physikalischen Eigenschaften. Die Rückreaktion kann dabei thermisch (T Typ… … Deutsch Wikipedia
