adiabatic

adi·a·bat·ic

adj \ˌa-dē-ə-ˈba-tik, ˌā-ˌdī-ə-\

Definition of ADIABATIC

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

— adi·a·bat·i·cal·ly \-ti-k(ə-)lē\ adverb

Origin of ADIABATIC

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

First Known Use: 1859

Rhymes with ADIABATIC

aristocratic, asymptomatic, axiomatic, diagrammatic, electrostatic, epigrammatic, gerontocratic, homeostatic, idiomatic, melodramatic, meritocratic, monochromatic, paradigmatic, physiocratic, psychodramatic, psychosomatic, soap-operatic, undemocratic, undiplomatic