Adiabatic (from Gr. ἀ negative + διάβασις passage; transference) refers to any process that occurs without heat transfer. This concept is used in many areas of physics and engineering. Notable examples are listed below.
Automobiles Engine braking, a feature of some diesel engines, uses adiabatic expansion to diminish the vehicle's forward momentum.
Meteorology Adiabatic lapse rate, the change in air temperature with changing height, resulting from pressure change.
Quantum chemistry Adiabatic invariant Born–Oppenheimer approximation
Thermodynamics Adiabatic process Adiabatic ionization Adiabatic index Adiabatic accessibility
Quantum mechanics Adiabatic theorem Adiabatic quantum motor
Electronics Adiabatic circuit Adiabatic logic
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