adiabatic

adjective adi·a·bat·ic \ ˌa-dē-ə-ˈba-tik , ˌā-ˌdī-ə- \

Definition of adiabatic

:occurring without loss or gain of heat
  • adiabatic expansion of a gas

adiabatically

play \-ti-k(ə-)lē\ adverb

Origin and Etymology of adiabatic

Greek adiabatos impassable, from a- + diabatos passable, from diabainein to go across, from dia- + bainein to go — more at come


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