ひかりしょくばいさよう 光触媒作用 LinksSentence search for 光触媒作用Sentence search for ひかりしょくばいさようKanji details for 光, 触, 媒, 作 and 用Edit in JMdict Noun1. photocatalysisSee also 光触媒 Discussions Log in to talk about this word.