Meaning of electron-volt


Pronunciation: (i-lek'tron vōlt"), [key]
— n. Physics.
  1. 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 joules. Abbr.: eV, ev
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.