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enthalpy. In DICTIOUS you will not only get to know all the dictionary meanings for the word
enthalpy, but we will also tell you about its etymology, its characteristics and you will know how to say
enthalpy in singular and plural. Everything you need to know about the word
enthalpy you have here. The definition of the word
enthalpy will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
enthalpy, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
English
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".
Pronunciation
Noun
enthalpy (countable and uncountable, plural enthalpies)
- (thermodynamics, physical 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
Translations
a measure of the heat content
See also