enthalpy /en·thal·py/ (en´thal-pe) the heat content or chemical energy of a physical system; a thermodynamic function equal to the internal energy plus the product of the pressure and volume. Symbol H.
en·thal·py ( n th l p , n-thl-)n. A thermodynamic function of a system, equivalent to the sum of the internal energy of the system plus the product of its volume multiplied by the pressure exerted on it by its surroundings. |
enthalpy
the bond energy in a biochemical reaction.
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