放熱 ほうねつ Meanings Noun, する verb, Intransitive radiant heat; heat radiation; heat dissipation; thermolysis Kanji 放 release. Read as ホウ. 熱 heat. Read as ネツ. Words containing 放熱 放熱器 (ほうねつき) radiator 放熱板 (ほうねつばん) heat sink 放熱ファン (ほうねつファン) cooling fan And 1 more. Jinuma: Japanese Dictionary · Word lists