enthalpy
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English[edit]
Etymology[edit]
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".
Pronunciation[edit]
Noun[edit]
enthalpy (countable and uncountable, plural enthalpies)
- (thermodynamics, chemistry) 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]
a measure of the heat content
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