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Word: tau (lookup usage) (lookup stats)


Meaning:

Noun:

  • A ?-shaped sign or structure; a St. Anthony's cross, sometimes considered as a sacred symbol.
  • particles|dated A tau meson, now usually known as a kaon.
  • particles An unstable heavy lepton, which decays into a muon or electron.
  • The name of the letter T in the Greek, Hebrew and ancient Semitic alphabets, being the nineteenth letter of the Classical and Old and Ancient Greek.

Source: Wiktionary | Src Info »