Word.ws English Dictionary

leptonium

leptonium noun: a bound pair of a lepton and its antiparticle.

Noun

leptonium (plural leptoniums)

  1. (particle) A bound pair of a lepton and its antiparticle
    • The LHC constraints on exotic stable massive charged particles seem to further shrink the allowed range for the hypercharge down to Y#95;#123;#92;ell#125;#92;approx 8-8.9, with the caveat that the relation between the leptonium mass and the mass of the constituent leptons in our calculations is...2016, Neil D. Barrie, Archil Kobakhidze, Shelley Liang, Matthew Talia, Lei Wu, “Heavy Leptonium as the Origin of the 750 GeV Diphoton Excess”, in arXiv

Forms of leptonium

pluralleptoniums

Origin of leptonium

Blend of lepton + onium.

Questions about leptonium

What does leptonium mean?
Leptonium means a bound pair of a lepton and its antiparticle.
What part of speech is leptonium?
Leptonium is a noun.
What is the plural of leptonium?
The plural of leptonium is leptoniums.

Words near leptonium in the dictionary

  1. leptonemas
  2. leptonetid
  3. leptonetids
  4. leptonic
  5. leptonically
  6. leptonium
  7. leptoniums
  8. leptonization
  9. leptonless
  10. leptonlike
  11. leptons

Source and license

Adapted from Wiktionary: leptonium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “leptonium.” Word.ws, https://word.ws/leptonium. Based on Wiktionary, CC BY-SA 4.0.