photodegradable

adjective
pho·​to·​de·​grad·​able | \ ˌfō-tō-di-ˈgrā-də-bəl How to pronounce photodegradable (audio) \

Definition of photodegradable

: chemically degradable by the action of light photodegradable plastics

First Known Use of photodegradable

1971, in the meaning defined above

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