tau

[ tou, taw for 1, 2, 4; tahv, tawv for 3 ]

noun
  1. the 19th letter of the Greek alphabet (T, τ).

  2. the consonant sound represented by this letter.

  1. tav.

  2. Also tau·on [tou-on] /ˈtaʊ ɒn/ .Physics. tau lepton.

  3. Also called tau protein .Biochemistry. a protein that is an important component of nerve cells, helping to maintain their function and structure: in the brain, distortions in the protein’s molecular shape is associated with the onset of Alzheimer’s disease.

Origin of tau

1
1250–1300; Middle English <Latin <Greek taû<Semitic; cf. tav

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British Dictionary definitions for tau

tau

/ (tɔː, taʊ) /


noun
  1. the 19th letter in the Greek alphabet (Τ, τ), a consonant, transliterated as t

Origin of tau

1
C13: via Latin from Greek, of Semitic origin; see tav

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