| ̷ ̷ ̷ ̷.|träpik, |īˌsen.-, |īˌzen.- adjective
Etymology: International Scientific Vocabulary is- + entropy + -ic
: having or indicating constant entropy
the isentropic chart, a map of the air unaffected by surface heating and cooling, aids in identifying the air from one map to the next — T.M.Longstreth
: taking place without change of entropy
if steam could be expanded in a turbine with no friction or other losses, expansion would be isentropic — A.G.Christie
• is·en·trop·i·cal·ly -pə̇k(ə)lē adverb