lepton

noun (1)

lep·ton | \ lep-ˈtän

\

plural lepta\ lep-ˈtä

\

Definition of lepton

(Entry 1 of 2)

: a former monetary unit equal to ¹/₁₀₀ drachma

lepton

noun (2)

lep·ton | \ ˈlep-ˌtän

\

Definition of lepton (Entry 2 of 2)

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

History and Etymology for lepton

Noun (1)

Modern Greek, from Greek, a small coin, from neuter of leptos peeled, slender, small, from lepein to peel — more at leper

Noun (2)

Greek leptos + English -on entry 2

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Time Traveler for lepton

The first known use of lepton was circa 1741

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