ˈadēəˌbat noun
also ad·i·a·bat·ic ˌadēəˈbad.ik, ˌāˌdīə-
( -s )
Etymology: adiabat, back-formation from adiabatic, adjective; adiabatic, from adiabatic, adjective
: a curve or line plotted using coordinates selected to represent the pressure and volume or the temperature and entropy of matter during an adiabatic process