lepton

/ˈlɛptɒn/

lepton noun: a coin used since ancient times in Greece, serving in modern times as one hundredth of a phoenix, a drachma, and a euro (as the Greek form of the Eurocent).

Noun (1)

lepton (plural lepta or leptons)

A coin used since ancient times in Greece, serving in modern times as one hundredth of a phoenix, a drachma, and a euro (as the Greek form of the Eurocent).
A small, bronze Judean coin from the 1st century BCE, considered by some to be the widow's mite.

Noun (2)

lepton (plural leptons)

(particle) An elementary particle that has a spin of 1/2 (i.e., is a fermion) and does not interact via the strong nuclear force; examples include the electron, the muon, the neutrino and the tauon.
- In the present paper we deal with the second order radiative correction to the beta disintegration of nucleon, assuming the Fermi's interaction between necleon and lepton fields, and show that there appears such an ultraviolet divergence as can not be removed by the procedure of renormalization of...1950, Tadao Nakano, “Radiative Correction to Decay Processes”, in Progress of Theoretical Physics, volume 5, number 6

lepton meaning in Bengali and Kannada

lepton in Bengali

elementary particle: লেপটন lepoṭon

lepton in Kannada

elementary particle: ಲೆಪ್ಟಾನ್ lepṭān

Forms of lepton

plural	lepta
plural	leptons

Plural of lepton: leptons

Origin of lepton

Derived from Ancient Greek λεπτόν (leptón, “small”). From Ancient Greek λεπτόν (leptón), neuter form of λεπτός (leptós, “small”).

From Ancient Greek λεπτόν (leptón, “small”) + English -on. From Ancient Greek λεπτός (leptós) + -on. Coined by Dutch-American physicist Abraham Pais in 1947.

Words formed from lepton

Phrases with lepton

lepton numbers

Questions about lepton

What does lepton mean?: Lepton means a coin used since ancient times in Greece, serving in modern times as one hundredth of a phoenix, a drachma, and a euro (as the Greek form of the Eurocent).
What is lepton in Bengali?: Lepton in Bengali is লেপটন (lepoṭon). See Lepton meaning in Bengali.
What part of speech is lepton?: Lepton is a noun.
How do you pronounce lepton?: Lepton is pronounced /ˈlɛptɒn/.
What is the plural of lepton?: The plural of lepton is lepta.

Words near lepton in the dictionary

Adapted from Wiktionary: lepton (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: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-lepton.wav.

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