photodegradableadj.

Brit.

/ˌfəʊtəʊdᵻˈɡreɪdəbl/, U.S.

/ˈˌfoʊdoʊdəˈɡreɪdəb(ə)l/,

/ˈˌfoʊdoʊdiˈɡreɪdəb(ə)l/

Origin: Formed within English, by compounding. Etymons: photo- comb. form, degradable adj.

Etymology: < photo- comb. form + degradable adj., perhaps after photodegradation n. Compare French photodégradable (dated 1974 in Robert Dict. alphabétique et analogique (1986)). Compare slightly earlier photodegrade v. and earlier photodegraded adj.

Science.

Susceptible to photodegradation.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > light > scientific effects of light > [adjective] > of chemical action of light > degradable by

photodegradable1972

1972 Times 4 July 22/2 Polymer processors are finding that the photodegradable plastic is completely stable in manufacture and not affected by heat.

1991 Purchasing & Supply Managem. Apr. 14/3 Even photodegradable plastics that deteriorate in sunlight can take decades to decay.

This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).

单词	photodegradable
释义	photodegradableadj. Brit. /ˌfəʊtəʊdᵻˈɡreɪdəbl/, U.S. /ˈˌfoʊdoʊdəˈɡreɪdəb(ə)l/, /ˈˌfoʊdoʊdiˈɡreɪdəb(ə)l/ Origin: Formed within English, by compounding. Etymons: photo- comb. form, degradable adj. Etymology: < photo- comb. form + degradable adj., perhaps after photodegradation n. Compare French photodégradable (dated 1974 in Robert Dict. alphabétique et analogique (1986)). Compare slightly earlier photodegrade v. and earlier photodegraded adj. Science. Susceptible to photodegradation. ΘΚΠ the world > matter > physics > electromagnetic radiation > light > scientific effects of light > [adjective] > of chemical action of light > degradable by photodegradable1972 1972 Times 4 July 22/2 Polymer processors are finding that the photodegradable plastic is completely stable in manufacture and not affected by heat. 1991 Purchasing & Supply Managem. Apr. 14/3 Even photodegradable plastics that deteriorate in sunlight can take decades to decay. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < adj.1972
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