photooxidation
/ˌfoʊtoʊˌɑksɪˈdeɪʃən/
noun
- A chemical reaction in which a substance combines with oxygen when exposed to light.
- Photooxidation can cause paints and plastics to fade or become brittle over time.
- The photooxidation of certain pollutants in the air is accelerated by sunlight.
- Art conservators work to prevent photooxidation in old photographs and paintings.
Antonyms