how to pronounce tau


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An example use of tau in a speech by a native speaker of british english:

“… neutrino the tau neutrino these …”

meanings of tau


  1. A Τ-shaped sign or structure; a Saint Anthony's cross, sometimes regarded as a sacred symbol.
  2. A measurement of the sensitivity of the value of an option to changes in the implied volatility of the price of the underlying asset.
  3. An unstable heavy lepton, which decays into a muon or electron; a tauon.
  4. A tau meson, now usually known as a kaon.
  5. The letter Τ/τ in the Greek, Hebrew and ancient Semitic alphabets, being the nineteenth letter of the Classical and Modern Greek, the twenty-first letter of Old and Ancient Greek.
  6. An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its radius, approximately 6.2831853071; equal to twice the value of pi. Often written τ or 2π.
  7. Tau protein, a type of protein that stabilizes microtubules in the human central nervous system, failures of which are associated with forms of dementia.

words with pronunciation similar to tau