photochemical
/ˌfoʊtoʊˈkɛmɪkəl/
adjective
- Relating to chemical reactions that are caused or affected by light, especially sunlight.
- Scientists study photochemical reactions to develop better ways to store solar energy.
- The photochemical process in plants converts sunlight into energy.
- Photochemical smog forms when sunlight reacts with pollutants in the air.