TAU

Tanımlar (İngilizce)

1. isim The letter Τ /τ in the Greek alphabet; being the nineteenth letter of the Classical and Modern Greek, and the twenty-first letter of the Old and Ancient Greek alphabets.
2. isim Alternative form of taw; the 22nd and last letter of many Semitic alphabets/abjads, including Phoenician, Aramaic, Hebrew, Syriac, and Arabic.

   “The tau is both the 19ᵗʰ letter of the Greek alphabet, and also the 22ⁿᵈ letter of the Hebrew alphabet. In this context, the Hebrew tau or tav is more pertinent.”

3. isim A Τ-shaped object or sign; a Saint Anthony's cross, sometimes regarded as a sacred symbol.

   “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.”

4. isim A crosier with a Τ-shaped head.
5. isim The ankh symbol (☥).
6. isim Chiefly written τ: used to designate the nineteenth star (usually according to brightness) in a constellation.
7. isim A measurement of the sensitivity of the value of an option to changes in the implied volatility of the price of the underlying asset.

   “(includes a list of coordinate terms)”

8. isim Chiefly written τ: an irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its radius, equal to twice the value of pi (2π; approximately 6.2831853071).
9. isim Ellipsis of tau protein (“a protein abundant especially in the neurons of the human central nervous system that stabilizes microtubules, and when misfolded is associated with forms of dementia such as Alzheimer's and Parkinson's diseases”).

   “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.”

10. isim Ellipsis of tau lepton or tau particle (“an unstable elementary particle which is a type of lepton, having a mass almost twice that of a proton, a negative charge, and a spin of ½; it decays into hadrons (usually pions) or other leptons, and neutrinos; a tauon”).
11. isim Ellipsis of tau meson, now known as a kaon.
12. özel isim A surname from Chinese.
13. özel isim Initialism of Transvaal Agricultural Union.
14. isim Abbreviation of treatment as usual.