enthalpy

n. 焓 [化] 焓

发音

US /ˈɛn.θəl.piː/

词形变化

enthalpies 复数 enthalpies

释义与例句

n.
  1. 1.

    A measure of the heat content of a chemical or physical system.

    焓

    可数 不可数 化学 物理

    H=U+pV, where H is enthalpy, U is internal energy, p is pressure, and V is volume.

词汇关系

名词

同义词 1

h

上位词 1

physical property

相关短语

enthalpy of vaporization

词源

From Ancient Greek ἐν- (en-, “in”) + θάλπω (thálpō, “to warm”). Coined by Dutch physicist Heike Kamerlingh Onnes, but first used in print by J. P. Dalton in 1909 in a paper titled "Researches on the Joule-Kelvin-effect, especially at low temperatures".

来源：wiktionary