Also found in: Dictionary, Thesaurus, Acronyms, Encyclopedia, Wikipedia.
Related to electron volt: Planck's constant
the SI unit of electric potential or electromotive force, equal to 1 watt per ampere, or 1 joule per coulomb.
electron volt (eV) a unit of energy equal to the energy acquired by an electron in being accelerated through a potential difference of 1 volt; equal to 1.602 × 10−19 joule.
gigaelectron volt (GeV) one billion electron volts (109 eV).
kiloelectron volt (keV) one thousand electron volts (103 eV).
megaelectron volt (MeV) one million electron volts (106 eV).
electron volt (eV)
a unit of energy equal to the energy acquired by an electron falling through a potential difference of 1 volt. One eV equals 1.6 × 10-12 erg or 1.6 × 10-19 J.
The energy acquired by an electron as it passes through a potential of 1 V.