work function
noun
: 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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“Work function.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/work%20function. Accessed 23 Nov. 2024.
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