D defs.my
Entry 1 sense Webster, 1913

Enthalpy

· En·thal·py · IPA /ˈɛn.θəl.piː/
01 n. A thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure; “enthalpy is the amount of e…
  1. 1.
    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”).(Thermodynamics)