electron volt

US/ɪˈlek.trɑːn ˌvoʊlt/

noun

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 × 10⁻¹⁹ joules.

Similar

Meanings

nounelectron volt (plural electron volts, abbreviation eV)

plural electron volts · abbreviation eV · alternative electronvolt

  1. natural sciencesA 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 × 10⁻¹⁹ joules.

    To get a feel for the size, the energy required to completely liberate an electron from the ground state of a hydrogen atom is 13.6 electron volts.

    2011, Brian Cox, Jeff Forshaw, The Quantum Universe, Allen Lane, page 158n

Synonyms & antonyms

nouna unit of energy equal to the work done by an electron accelerated through a potential difference of 1 volt

Similar
Broader
work unitheat unitenergy unit
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Bengali ইলেক্ট্রন-ভোল্ট
  • ইলেক্ট্রন-ভোল্ট (ilekṭron-bhōlṭo)a unit for measuring the energy of subatomic particles
Brazilian Portuguese elétron-volt
  • elétron-volta unit for measuring the energy of subatomic particles
Chinese Mandarin 電子伏特 /电子伏特, 電子伏 /电子伏
  • 電子伏特 /电子伏特 (diànzǐ fútè)a unit for measuring the energy of subatomic particles
  • 電子伏 /电子伏 (diànzǐfú)a unit for measuring the energy of subatomic particles
Czech elektronvolt
  • elektronvolta unit for measuring the energy of subatomic particles
Danish elektronvolt
  • elektronvolta unit for measuring the energy of subatomic particles
Dutch elektronvolt
  • elektronvolta unit for measuring the energy of subatomic particles
European Portuguese eletrão-volt
  • eletrão-volta unit for measuring the energy of subatomic particles
Finnish elektronivoltti
  • elektronivolttia unit for measuring the energy of subatomic particles
French électronvolt, électron-volt
  • électronvolta unit for measuring the energy of subatomic particles
  • électron-volta unit for measuring the energy of subatomic particles
German Elektronenvolt, Elektronvolt
  • Elektronenvolta unit for measuring the energy of subatomic particles
  • Elektronvolta unit for measuring the energy of subatomic particles
Greek ηλεκτρονιοβόλτ
  • ηλεκτρονιοβόλτ (ilektroniovólt)a unit for measuring the energy of subatomic particles
Hungarian elektronvolt
  • elektronvolta unit for measuring the energy of subatomic particles
Indonesian elektronvolt
  • elektronvolta unit for measuring the energy of subatomic particles
Italian elettronvolt
  • elettronvolta unit for measuring the energy of subatomic particles
Japanese 電子ボルト
  • 電子ボルト (denshi boruto)a unit for measuring the energy of subatomic particles
Korean 전자볼트
  • 전자볼트 (jeonjabolteu)a unit for measuring the energy of subatomic particles
Latin electronvoltium
  • electronvoltiuma unit for measuring the energy of subatomic particles
Persian الکترونولت
  • الکترونولتa unit for measuring the energy of subatomic particles
Polish elektronowolt
  • elektronowolta unit for measuring the energy of subatomic particles
Romanian electronvolt
  • electronvolta unit for measuring the energy of subatomic particles
Russian электро́н-во́льт, электронвольт
  • электро́н-во́льт (elektrón-vólʹt)a unit for measuring the energy of subatomic particles
  • электронвольт (elektronvolʹt)a unit for measuring the energy of subatomic particles
Spanish electronvoltio
  • electronvoltioa unit for measuring the energy of subatomic particles
Swedish elektronvolt
  • elektronvolta unit for measuring the energy of subatomic particles
Tamil இலத்திரன்வோல்ட்
  • இலத்திரன்வோல்ட் (ilattiraṉvōlṭ)a unit for measuring the energy of subatomic particles
Thai อิเล็กตรอนโวลต์
  • อิเล็กตรอนโวลต์a unit for measuring the energy of subatomic particles
Cite this entry
APA

electron volt. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/electron%20volt

MLA

“electron volt.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/electron%20volt. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “electron volt,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/electron%20volt.

Source: electron volt on Wiktionary, CC BY-SA 4.0.