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electron volt

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See also:electronvolt,électronvolt,andélectron-volt

English

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Noun

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electronvolt (pluralelectron volts) (abbreviatedeV)

  1. (physics) Aunit for measuring theenergy ofsubatomic particles; the energy equal to that attained by anelectron moving through apotential difference of onevolt. Equivalent to 1.6022 × 10−19joules.
    • 2011,Brian Cox, Jeff Forshaw,The Quantum Universe, Allen Lane, page158n:
      To get a feel for the size, the energy required to completely liberate an electron from the ground state of a hydrogen atom is 13.6electron volts.

Derived terms

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Translations

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a unit for measuring the energy of subatomic particles
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