photochemical
🇺🇸
/ˌfəʊtəʊˈkemɪkl/
🇬🇧
/ˌfəʊtəʊˈkemɪkl/
relating to chemical reactions caused by light
Photochemical reactions can lead to the formation of smog in urban areas.
光化學反應可以導致城市地區形成煙霧。