光触媒 ひかりしょくばい Meanings Noun photocatalyst; photocatalysis See also: 光触媒作用 (ひかりしょくばいさよう). Kanji 光 light. Read as ひかり. 触 touch. Read as ショク. 媒 medium. Read as バイ. Words containing 光触媒 光触媒作用 (ひかりしょくばいさよう) photocatalysis Jinuma: Japanese Dictionary · Word lists