LEPTON


Meaning of LEPTON in English

n.

Pronunciation: ' lep- ˌ tän

Function: noun

Etymology: Greek leptos + English 2 -on

Date: circa 1929

: any of a family of particles (as electrons, muons, and neutrinos) that have spin quantum number 1/2 and that experience no strong forces

– lep · ton · ic \ lep- ' tä-nik \ adjective

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.