photodegradationn.

Brit.

/ˌfəʊtəʊˌdɛɡrəˈdeɪʃn/, U.S.

/ˈˌfoʊdoʊˌdɛɡrəˈdeɪʃ(ə)n/

Origin: Formed within English, by compounding. Etymons: photo- comb. form, degradation n.¹

Etymology: < photo- comb. form + degradation n.¹

Science.

Degradation of a substance caused by light.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > light > scientific effects of light > [noun] > study of chemical action of light > degradation by

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).

单词	photodegradation
释义	photodegradationn. Brit. /ˌfəʊtəʊˌdɛɡrəˈdeɪʃn/, U.S. /ˈˌfoʊdoʊˌdɛɡrəˈdeɪʃ(ə)n/ Origin: Formed within English, by compounding. Etymons: photo- comb. form, degradation n.¹ Etymology: < photo- comb. form + degradation n.¹ Science. Degradation of a substance caused by light. ΘΚΠ the world > matter > physics > electromagnetic radiation > light > scientific effects of light > [noun] > study of chemical action of light > degradation by 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). < n.1951
随便看	stomatode stomatodendron stomatogastric stomatognath stomatological stomatologies stomatologist stomatologists stomatology stomatomorphous stomatoplastic stomatoplasty stomatopod stomatopodous stomatopods stomatoporoid stomatoscope stomatose stomatous stomber stome stomia stomiatoid stomion stomions