IPA: //ˌfoʊtəʊˌɒksɪˈdeɪʃən//
KK: /ˌfoʊtoʊˌɑksɪˈdeɪʃən/
A chemical process where a substance loses an electron when exposed to light and oxygen, leading to oxidation.
Photooxidation is an important process in photosynthesis, helping plants convert light energy into chemical energy.
Photooxidation → It is formed from "photo-" (from Greek "phōs", meaning light) and "oxidation" (from Latin "oxidare", meaning to combine with oxygen). The term describes a chemical reaction that occurs in the presence of light, leading to the combination of a substance with oxygen.
Think of 'light' ('photo-') causing a substance to 'combine with oxygen' ('oxidation') — that's what photooxidation means.
No commonly confused words.