核反応 かくはんのう Meanings Noun nuclear reaction Kanji 核 nucleus. Read as カク. 反 anti-. Read as ハン. 応 respond. Read as ノウ. Words containing 核反応 核反応炉 (かくはんのうろ) nuclear reactor 熱核反応 (ねつかくはんのう) thermonuclear reaction Jinuma: Japanese Dictionary · Word lists