English Explanatory Dictionary

enthalpy

English dictionary entry

Meanings

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

Pronunciation

/ˈɛn.θəl.piː/ en-us-enthalpy.ogg

Word forms

enthalpy enthalpies

Etymology

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".

Related words

Gibbs free energy

Derived words

enthalpic enthalpimetry enthalpogram enthalpy of vaporization
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