Wiktionary
alt. (context physics English) 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 x 10-19 joules. n. (context physics English) 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 x 10-19 joules.
WordNet
n. a unit of energy equal to the work done by an electron accelerated through a potential difference of 1 volt [syn: eV]
Usage examples of "electron volt".
The energy that an electron gains from an electric field of one volt is what is known as an electron volt.
One electron volt is a minuscule bit of energy: It would take five million electron volts to light a fifty-watt lamp.