work function(redirected from Work function (thermodynamics))
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The minimum amount of energy required to remove an electron from the surface of a metal.
1. (General Physics) physics the minimum energy required to transfer an electron from a point within a solid to a point just outside its surface. Symbol: φ or Φ
2. (General Physics) thermodynamics another name (not now used because of confusion with sense 1) for Helmholtz function