tau - What does it mean?
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Definition of 'tau'English
Noun
( en-noun)
The name of the letter and Modern Greek, the twenty-first letter of Old and [[Ancient Greek|Ancient Greek.
A -shaped sign or structure; a , sometimes considered as a sacred symbol.
* 1658': Nor shall we take in the mysticall '''''Tau'' , or the Crosse of our blessed Saviour, which having in some descriptions an ''Empedon'' or crossing foot-stay, made not one single transversion. — Sir Thomas Browne, ''The Garden of Cyrus (Folio Society 2007, p. 168)
A tau meson, now usually known as a kaon.
(label) An unstable heavy lepton, which decays into a muon or electron; a tauon.
(label) A type of protein used to stabilise microtubules.
* 1999 , (Matt Ridley), Genome , Harper Perennial 2004, p. 263:
- Quite what that job is remains obscure, but one theory is that it is to stabilise another protein called tau , which is supposed in turn to keep in shape the tubular ‘skeleton’ of a neuron.
A constant equal to twice the value of pi; often written .
Coordinate terms
* (Greek letter) Previous: sigma. Next: upsilon
Anagrams
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