潜せん熱ねつせんねつMeanings1nounlatent heatPhysics term for heat absorbed or released during a phase change without a change in temperature.水みずが蒸じょう発はつするとき、潜せん熱ねつを周しゅう囲いから吸きゅう収しゅうする。When water evaporates, it absorbs latent heat from the surroundings.