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isenthalpic

American  
[ahy-suhn-thal-pik, ahy-zuhn-] / ˌaɪ sənˈθæl pɪk, ˌaɪ zən- /

adjective

Thermodynamics.
  1. pertaining to or characterized by constant enthalpy.


Etymology

Origin of isenthalpic

First recorded in 1920–25; is- + enthalp(y) ( def. ) + -ic ( def. )