WordReference Random House Unabridged Dictionary of American English © 2026
Mol′lier di′agram
(môl′yā),USA pronunciation [Thermodynam.]
- Thermodynamicsa graph showing the enthalpy of a substance as a function of its entropy when some physical property of the substance, as temperature or pressure, is kept at a specified constant value.
- named after Richard Mollier (died 1935), German engineer