Definition of photo-oxidative in US English:

photo-oxidative

(also photoxidative)

adjective

  • Involving or characterized by photo-oxidation.

Origin

1920s; earliest use found in The Botanical Gazette. From photo- + oxidative, after photo-oxidation.

Pronunciation

photo-oxidative

/ˌfəʊtəʊˈɒksɪdeɪtɪv/