lepton

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun 100 lepta equal 1 drachma in Greece
  2. noun an elementary particle that participates in weak interactions; has a baryon number of 0

Etymology

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

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