photodegradationn.
/ˌfəʊtəʊˌdɛɡrəˈdeɪʃn/, U.S. /ˈˌfoʊdoʊˌdɛɡrəˈdeɪʃ(ə)n/ Science.
Degradation of a substance caused by light.
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photodegradation1951
1951 Industr. & Engin. Chem. July 1600/1 It has been found that the photodegradation of GR-S in solution occurs only if oxygen is present.
1962 J. T. Marsh Self-smoothing Fabrics xviii. 303 The resin exerts a considerable protective influence even in presence of those vat dyes whose action accelerates photo-degradation of cellulose.
1975 Physics Bull. Apr. 164/1 (advt.) The fundamental photochemical reactions involved in photodegradation of polymers.
1999 C. Mendelson Home Comforts xlvii. 571/1 Visible light is responsible for much fading and other forms of photodegradation.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1951- working men's institute
- working method
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