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Electron volt

//ɪˈlek.trɑːn ˌvoʊlt// noun

Definitions

Noun
  1. 1
    A unit for measuring the energy of subatomic particles; the energy equal to that attained by an electron moving through a potential difference of one volt. Equivalent to 1.6022 × 10⁻¹⁹ joules.

    "To get a feel for the size, the energy required to completely liberate an electron from the ground state of a hydrogen atom is 13.6 electron volts."

  2. 2
    a unit of energy equal to the work done by an electron accelerated through a potential difference of 1 volt wordnet

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