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leptons JUST WRITTEN FOR YOU

/ˈlɛptɒnz/ · lep·tons
noun
  1. A small, bronze Judean coin from the 1st century B.C.E., considered by some to be the widow's mite. The archaeologist carefully examined the ancient leptons, trying to understand their historical significance.
  2. 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. The physicist studied the properties of leptons, fascinated by their unique behavior in high-energy collisions.
Did you know? The discovery of leptons revolutionized our understanding of the fundamental forces of nature and the structure of matter.
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Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 15, 2026