吸熱 きゅうねつ Meanings Noun, する verb, の-adjective absorption of heat Antonym: 発熱 (はつねつ). Kanji 吸 suck. Read as キュウ. 熱 heat. Read as ネツ. Words containing 吸熱 吸熱反応 (きゅうねつはんのう) endothermic reaction Jinuma: Japanese Dictionary · Word lists