tau

та́у

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

та́у

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

та́у

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

та́у

The ankh symbol (☥)редкое

та́у

Chiefly written τ: used to designate the nineteenth star (usually according to brightness) in a constellationредкое

та́у

A measurement of the sensitivity of the value of an option to changes in the implied volatility of the price of the underlying assetредкое

та́у

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)редкое