PHOTOCHEMICAL Meaning of PHOTOCHEMICAL in English photochemical BrE AmE ˌfəʊt əʊ ˈkem ɪk ə l ◂ AmE \ ˌfoʊt̬ oʊ-▷ photochemical|ly ‿i Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012