tau lepton


noun Physics.

an unstable lepton with a mass approximately 3500 times that of the electron. Symbol: T

Nearby words

  1. tatum, art,
  2. tatum, edward lawrie,
  3. tatung,
  4. tau,
  5. tau cross,
  6. tau neutrino,
  7. tau particle,
  8. taubaté,
  9. tauber,
  10. tauber, richard

Origin of tau lepton

First recorded in 1975–80

Also called tau, tauon.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019