진공 상태에서 전자 하나가 1볼트의 전위차를 지날 때 얻는 에너지의 단위.
A unit of energy equal to the amount of kinetic energy gained by a single electron accelerating through an electric potential difference of one volt.
예문:
"The ionization energy of a hydrogen atom is about 13.6 eV."
"X-rays typically have energies ranging from 100 eV to 100 keV."
"Particle physicists often measure the mass of subatomic particles in units of eV/c²."