enthalpy

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English[edit]

Etymology[edit]

From Ancient Greek ἐνθάλπω (enthálpō, to warm in). 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".

Pronunciation[edit]

English Wikipedia has an article on:
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  • IPA(key): /ˈɛn.θəl.piː/
  • (file)

Noun[edit]

enthalpy (countable and uncountable, plural enthalpies)

  1. (physics, chemistry) In thermodynamics, a measure of the heat content of a chemical or physical system.
    , where H is enthalpy, U is internal energy, p is pressure, and V is volume.

Derived terms[edit]

Translations[edit]

See also[edit]