τ

τ

1. (physics) torque
2. (physics) shear stress
3. (mathematics, neologism) An irrational constant defined as the ratio of the circumference of a circle to its radius, equal to the radian measure of a full turn; approximately 6.28318531 (twice the value of π).
4. (physics) tauon

• τ on Wikipedia.Wikipedia

τ • (t) (lowercase, uppercase Τ)

1. The lower case letter tau (ταυ), the 19th letter of the modern Greek alphabet.

τ'

1. The number 300 in Greek numerals.

,τ

1. The number 300,000 in Greek numerals.

• (Greek-script letters) Α α (A a), Β β (B b), Γ γ (G g), Δ δ (D d), Ε ε (E e), Ζ ζ (Z z), Η η (Ē ē), Θ θ (Th th), Ι ι ℩ (I i ℩), Κ κ (K k), Λ λ (L l), Μ μ (M m), Ν ν (N n), Ξ ξ (X x), Ο ο (O o), Π π (P p), Ρ ρ (R r), Σ σ ς (S s s), Τ τ (T t), Υ υ (U u), Φ φ (Ph ph), Χ χ (Kh kh), Ψ ψ (Ps ps), Ω ω (Ō ō)
• (punctuation) · ;
• (diacritics) ᾿ ῾ ´ ` ῀ ¨ ¯ ˘