First Known Use: 1859
Dictionary
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>
— adi·a·bat·i·cal·ly \-ti-k(ə-)lē\ adverb
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Origin of ADIABATIC
Greek adiabatos impassable, from a- + diabatos passable, from diabainein to go across, from dia- + bainein to go — more at come
Rhymes with ADIABATIC
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