antilepton

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noun

The antiparticle of a lepton.

OriginEnglish lepton ← Ancient Greek λεπτόν (leptón) →
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Meanings

nounantilepton (plural antileptons)

plural antileptons

  1. particlenatural sciencesThe antiparticle of a lepton.
    1 more example

    When a W⁺ boson decays into a positron and a neutrino, lepton number is conserved because the W⁺ boson is a non-lepton, the neutrino is a lepton, and the positron is an antilepton. Likewise, when a W⁻ boson decays into an electron and an antineutrino, lepton number is conserved because the W⁻ boson is a non-lepton, the electron is a lepton, and the antineutrino is an antilepton.

Origin

  1. Englishanti-
  2. Ancient Greekλεπτόν (leptón)
  3. Englishlepton
  4. Englishantilepton

From anti- + lepton.

Full word history & related roots →

Translations

French antilepton
  • antileptonantiparticle of a lepton
Italian antileptone
  • antileptoneantiparticle of a lepton
Portuguese antilépton, antileptão
  • antiléptonantiparticle of a lepton
  • antileptãoantiparticle of a lepton
Cite this entry
APA

antilepton. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/antilepton

MLA

“antilepton.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/antilepton. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “antilepton,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/antilepton.

Source: antilepton on Wiktionary, CC BY-SA 4.0.