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tauon

American  
[taw-on, tou-] / ˈtɔ ɒn, ˈtaʊ- /

noun

Physics.
  1. tau lepton.


tauon British  
/ ˈtaʊɒn /

noun

  1. physics a negatively charged elementary particle of mass 3477.48 × electron mass classed as a lepton, with an associated antiparticle and neutrino

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of tauon

tau + -on 1