断だん熱ねつ的てきだんねつてきMeanings1na-adjectiveadiabaticTechnical term used in physics and thermodynamics to describe a process where no heat enters or leaves the system.断だん熱ねつ的てきな変へん化かでは、系けいの温おん度どが変かわる。In an adiabatic change, the temperature of the system changes.