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

Origin of electron-volt

First recorded in 1925–30

British Dictionary definitions for electronvolt

electronvolt
/ (ɪˌlɛktrɒnˈvəʊlt) /

noun

a unit of energy equal to the work done on an electron accelerated through a potential difference of 1 volt. 1 electronvolt is equivalent to 1.602 × 10 –19 joule Symbol: eV