electron-volt

or e·lec·tron volt

[ ih-lek-tron-vohlt ]

/ ɪˈlɛk trɒnˌvoʊlt /

noun Physics.

a unit of energy, equal to the energy acquired by an electron accelerating through a potential difference of one volt and equivalent to 1.602 × 10−19 joules. Abbreviation: eV, ev

Nearby words

electron transport, electron tube, electron volt, electron-neutrino, electron-ray tube, electron-volt, electronarcosis, electronegative, electronegativity, electroneurography, electroneuromyography

Origin of electron-volt

First recorded in 1925–30