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enthalpy

Pronunciation: en'thal-pe

Definition: Heat content, symbolized as H; a thermodynamic function, defined as E + PV, where E is the internal energy of a system, P the pressure, and V the volume; the heat of a reaction, measured at constant pressure, is ?H.

Synonym(s): heat4

[G. enthalpo, to warm in]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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