熱ねつ核かく融ゆう合ごうMeaningsNoun1. thermonuclear fusionKanji used熱heat核nucleus融dissolve合come togetherComposed of熱ねつheat; fever; temperature; zeal; passion; enthusiasm; mania; craze; rageNoun核かく融ゆう合ごうnuclear fusionNoun