Noun: enthalpy en-thul-pee or 'en,thal-pee
- (thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure
"enthalpy is the amount of energy in a system capable of doing mechanical work";
- heat content, total heat, H
Derived forms: enthalpies
Type of: physical property
Encyclopedia: Enthalpy