# enthalpy

## EnglishEdit

### EtymologyEdit

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

### PronunciationEdit

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

### NounEdit

enthalpy (countable and uncountable, plural enthalpies)

1. () In thermodynamics, a measure of the heat content of a chemical or physical system.
${\displaystyle H=U+pV}$ , where H is enthalpy, U is internal energy, p is pressure, and V is volume.