光ひかり触しょく媒ばい作さ用ようMeaningsNoun1. photocatalysisKanji used光ray触touch媒mediator作make用used forComposed of光ひかりlight; illumination; ray; beam; gleam; glow; happiness; hope; influence; power; …Noun触しょく媒ばいcatalystNoun作さ用ようaction; operation; process; agency; effect; functionNoun