work function

noun

Definition of work function 

: the energy that is needed for a particle to come from the interior of a medium and break through the surface used especially of the photoelectric and thermionic emission of electrons from metals

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First Known Use of work function

1923, in the meaning defined above

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Dictionary Entries near work function

workfolk

workforce

workful

work function

workgirl

work group

workhand

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The first known use of work function was in 1923

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