There are 2 main definitions of lepton in English:

Share this entry

lepton 1

Line breaks: lep¦ton
Pronunciation: /ˈlɛptɒn/

noun (plural leptaˈlɛptə)

A former monetary unit of Greece used only in calculations, worth one hundredth of a drachma.

Origin

From Greek lepton, neuter of leptos 'small'.

Definition of lepton in:

Share this entry

 

There are 2 main definitions of lepton in English:

Share this entry

lepton 2 Line breaks: lep¦ton
Pronunciation: /ˈlɛptɒn/

noun

Physics
A subatomic particle, such as an electron, muon, or neutrino, which does not take part in the strong interaction.
Example sentences
  • Like quarks and leptons, the Higgs particle also derives its mass from coupling to the Higgs condensate.
  • There are small subatomic particles called leptons.
  • Finally, the EM force acts on electrically charged particles: charged leptons (like electrons), and charged force carriers.

Origin

1940s: from Greek leptos 'small' + -on.

Derivatives

leptonic

1
adjective
Example sentences
  • No observation of leptonic decays of D-mesons has yet been reported, owing to the smaller branching fraction.
  • This colour quantum number is additional to leptonic flavour which distinguishes neutrinos from charged leptons.

Definition of lepton in:

Share this entry

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day exemplum
Pronunciation: ɪɡˈzɛmpləm
noun
an example or model...