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work
work back
work bowl
work camp
work ethic
work experience
work farm
work force
work function
work-harden
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work in progress
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work function
work func·tion (plural work func·tions)


noun 
Definition:
 
minimum energy needed to remove electron: the minimum energy needed to remove an electron from within a solid to a point outside its surface in a vacuum.
Symbol  Φ
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