核かく融ゆう合ごう反はん応のうMeaningsNoun1. nuclear fusion reactionKanji used核nucleus融dissolve合come together反be against応respond with actionComposed of核かく融ゆう合ごうnuclear fusionNoun反はん応のうreaction; response; physical reaction (to a stimulus); observable response (of an organism); effect; changeNoun