Occurring without loss or gain of heat.
My hot pants were adiabatic on the straight boy until he had a few drinks in him. ;)
by Dustin Belleau September 6, 2003
Whether or not, or to what degree, a device is adiabatic.
For comparison, and to determine adiabaticity of the heat exchanger, Q was also found based upon the cold water.
by Group7L01 November 11, 2007