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tau
[ tou, taw for 1, 2, 4; tahv, tawv for 3 ]
/ taʊ, tɔ for 1, 2, 4; tɑv, tɔv for 3 /
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noun
the 19th letter of the Greek alphabet (T, τ).
the consonant sound represented by this letter.
tav.
Also tau·on [tou-on] /ˈtaʊ ɒn/ .Physics. tau lepton.
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.
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Origin of tau
1250–1300; Middle English <Latin <Greek taû<Semitic; cf. tav
Words nearby tau
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use tau in a sentence
British Dictionary definitions for tau
tau
/ (tɔː, taʊ) /
noun
the 19th letter in the Greek alphabet (Τ, τ), a consonant, transliterated as t
Word Origin for tau
C13: via Latin from Greek, of Semitic origin; see tav
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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