polytropic
/ˌpɒlɪˈtrɒpɪk/ or /ˌpɒlɪˈtrɒpɪk/Definitions
1. adjective
relating to or having a polytropic relation or process, especially in thermodynamics or physical chemistry
“The polytropic process in the gas turbine engine is crucial for efficient energy conversion.”
2. noun
a thermodynamic process or relation in which the product of pressure and volume is constant
“The engineer studied the polytropic process to understand its effect on the system’s efficiency.”