photochemical
🇺🇸
/ˌfəʊtəʊˈkemɪkl/
🇬🇧
/ˌfəʊtəʊˈkemɪkl/
relating to chemical reactions caused by light
Photochemical reactions can lead to the formation of smog in urban areas.
光化学反应可以导致城市地区形成烟雾。