different between adiabatic vs isobaric

English

Etymology

19th-century coinage (introduced by W. J. M. Rankine in the 1860s) based on Ancient Greek ????????? (adiábatos, “impassable”), used of terrain (rivers, forests) by Xenophon, from ?- (a-, “not”) + ??? (diá, “through”) + ????? (batós, “passable”), from ????? (baín?, “to go”).

Pronunciation

• IPA^(key): /?e?da???bæt?k/, /?e?d???bæt?k/, /?æd???bæt?k/
• Rhymes: -æt?k

Adjective

adiabatic (not comparable)

1. (physics, thermodynamics, of a process) That occurs without gain or loss of heat (and thus with no change in entropy, in the quasistatic approximation).
2. (physics, quantum mechanics, of a process) That involves the slow change of the Hamiltonian of a system from its initial value to a final value.

Antonyms

• (thermodynamics): diabatic
• (quantum mechanics): nonadiabatic

Derived terms

Translations

Noun

adiabatic (plural adiabatics)

1. An adiabatic curve or graph

Further reading

• adiabatic on Wikipedia.Wikipedia

Romanian

Etymology

From French adiabatique

Adjective

adiabatic m or n (feminine singular adiabatic?, masculine plural adiabatici, feminine and neuter plural adiabatice)

1. adiabatic

Declension

English

Etymology

isobar +? -ic

Adjective

isobaric (comparative more isobaric, superlative most isobaric)

1. having the same pressures, masses, or densities
2. (physics) (of a thermodynamic process) having a constant pressure throughout
3. (physics) isobaryonic

Translations

Related terms

• isobar

See also

• isothermal
• isochoric
• adiabatic