enthalpy

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

• IPA^(key): /ˈɛn.θəl.piː/

• Audio (US):

  (file)

Noun

enthalpy (countable and uncountable, plural enthalpies)

English Wikipedia has an article on:

enthalpy

Wikipedia

1. (thermodynamics, physical chemistry) 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.

Derived terms

• enthalpic
• enthalpimetry
• enthalpogram
• enthalpy of vaporization

Translations

a measure of the heat content

Basque: entalpia Catalan: entalpia f Chinese: Mandarin: 焓 (zh) (hán) Danish: entalpi c Esperanto: entalpio Finnish: entalpia (fi), lämpösisältö French: enthalpie (fr) f German: Enthalpie (de) f Greek: ενθαλπία (el) f (enthalpía) Hindi: एंथैल्पी (enthailpī), पूर्ण ऊष्मा f (pūrṇ ūṣmā) Hungarian: entalpia (hu) Indonesian: entalpi (id) Japanese: エンタルピー (ja) (entarupī) Kazakh: энтальпия (éntalpiä) Khmer: អង់តាល់ពី (ʼɑngtalpii) Maori: hāwera Norwegian: entalpi (no) Persian: آنتالپی (fa) (ântâlpi) Polish: entalpia (pl) f, zawartość cieplna f Portuguese: entalpia (pt) f Russian: энтальпи́я (ru) f (entalʹpíja) Spanish: entalpía (es) f Swedish: entalpi (sv) c Tagalog: sanginit Thai: เอนทาลปี (een-tao-bpii), เอนทัลปี (een-tao-bpii) Turkish: entalpi, ısı kapsamı Vietnamese: entanpi

See also

• Gibbs free energy