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発音

• IPA: /ˌeɪ.dɪəˈbæt.ɪk/, /ˌæd.ɪəˈbæt.ɪk/, /ˌeɪ.daɪ.əˈbæt.ɪk/
• 韻: -ætɪk

形容詞

adiabatic (not comparable)

1. (physics, thermodynamics, of a process) Without gain or loss of heat (and thus with no change in entropy, in the quasistatic approximation).

   Antonym: diabatic

   • 1871, James Clerk Maxwell, Theory of Heat‎, page 129:

     The line drawn on the indicator diagram in the latter case has been named by Professor Rankine an Adiabatic line, because it is defined by the condition that heat is not allowed to pass through (διαβαίνειν) the vessel which confines the substance.

   • 2006, Thomas Pynchon, Against the Day, Vintage 2007, page 737:

     Talk of dynamic compression and adiabatic gradients didn't carry as much weight as the certainty of its conscious intent.

   • 2026 January 27, Lynas, Matthew, “World’s largest compressed-air storage plant switched on in China”, in pv magazine‎:

     New 2.4 GWh adiabatic compressed air energy storage (CAES) plant now operational in in Jiangsu province.

2. (physics, quantum mechanics, of a process) Involving the slow change of the Hamiltonian of a system from its initial value to a final value.

   Antonym: nonadiabatic

   • 1961, Albert Messiah, Quantum Mechanics‎, volume II, page 740:

     In this section we examine the limiting cases when T is very small (sudden change) and very large (adiabatic change).

派生語

関連する語

• diabatic

名詞

adiabatic (plural adiabatics)

1. An adiabatic curve or graph

Further reading

• adiabatic on Wikipedia.Wikipedia