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Vinony

enthalpy

noun

  1. measure of energy in a thermodynamic system; thermodynamic quantity equivalent to the total heat content of a system
L320159 on Wikidata ↗

Wiktionary

Pronunciation: /ˈɛn.θəl.piː/

noun

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".

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

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