a thermodynamic quantity equivalent to the total heat content of a system. It is equal to the internal energy of the system plus the product of pressure and volume. (Symbol: H)
the change in enthalpy associated with a particular chemical process:most compounds have negative enthalpies of formation
Origin:
1920s: from Greek enthalpein 'warm in', from en- 'within' + thalpein 'to heat'
enthalpy in other Oxford dictionaries
Definition of enthalpy in the US English dictionary
