Meaning of ADIABATIC in English

ADIABATIC

[adi.a.bat.ic] adj [Gk adiabatos impassable, fr. a- + diabatos passable, fr. diabainein to go across, fr. dia- + bainein to go--more at come] (1870): occurring without loss or gain of heat "~ expansion of a body of air" -- adi.a.bat.i.cal.ly adv

Merriam-Webster English vocab.      Английский словарь Merriam Webster.