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electron volt

a unit of energy equal to that attained by an electron falling unimpeded through a potential difference of one volt; 1.602 × 10 joule: abbrev. eV

often written electronvolt

noun

or electron-volt

See electron volt in American Heritage Dictionary 4

noun Abbr. eV

A unit of energy equal to the energy acquired by an electron falling through a potential difference of one volt, approximately 1.602 × 10^-19 joules. See Table at measurement.

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