Work-function
noun
1.
Physics. the least energy necessary to free an electron from a metal surface.
2.
Thermodynamics. Helmholtz function.
work function
noun
1.
(physics) the minimum energy required to transfer an electron from a point within a solid to a point just outside its surface φ, Φ
2.
(thermodynamics) another name (not now used because of confusion with sense 1) for Helmholtz function
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