気き化か熱ねつ

noun

heat of vaporization

Technical term in physics and engineering for the heat absorbed when a liquid turns into a gas.

• 水みずが蒸じょう発はつするとき、気き化か熱ねつを周しゅう囲いから奪うばいます。

  When water evaporates, it takes heat of vaporization from the surroundings.