Definitions

1. adjective

relating to or characterized by an adiabatic process, especially one in which no heat is transferred between a system and its surroundings

“The adiabatic expansion of the gas led to a significant decrease in pressure.”

2. noun

a process or system in which no heat is transferred between a system and its surroundings

“The engineer studied the adiabatic process to improve the efficiency of the refrigerator.”