What is the meaning of Tau?

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.

Alternative form of taw; the 22nd and last letter of many Semitic alphabets/abjads, including Phoenician, Aramaic, Hebrew, Syriac, and Arabic.

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

1. A crosier with a Τ-shaped head.

A crosier with a Τ-shaped head.

The ankh symbol (☥).

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

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

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).

Short for 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”).

Chiefly written τ.

1. Short for 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”).
2. Short for tau meson, now known as a kaon.

Short for 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”).

Short for tau meson, now known as a kaon.

to give

to

sun

ought, should

person

three

year

fight

a rope

tau lepton

tau (Greek letter)

imperative of taue

a rope

tau: The letter Τ/τ in the Greek, Hebrew and ancient Semitic alphabets, being the nineteenth letter of the Classical and Modern Greek, the twenty-first letter of Old and Ancient Greek.

tau lepton

lion

person

human

to pull

a dry measure, roughly equivalent to ten quarts or 1.25 pecks

thy, your

season

weather

climate

to pick

to fight; to quarrel

to compete

to hit

to land

to arrive

to anchor

to settle down

to count

The point where the keel meets the stern of the canoe.

Fresh nest fern leaves, used to cover a traditional oven.

Used to indicate the exclusiveness of the following noun or pronoun; just, only, merely

Used to indicate the focus lies on the following noun; concerning, regarding

Used to indicate that the action of the following verb is beginning; starting to; beginning to

Only used in tau ma (“to be fed up with”)

to get, gain, obtain

perfective action marker

potential mood marker

fire

Tau; the Greek letter Τ (lowercase τ)

tav; the Hebrew letter ת

a tau cross

tau (Greek letter)

tau (Greek letter)

tau (Greek letter)

tauon, tau (elementary particle)

tau (Greek letter)

tau, tauon

tau (Greek letter)

fabric

clothing

to know

the Greek letter tau (Τ or τ)

tau (Greek letter)

Rōmaji transcription of たう

person

human

feast; party; banquet

second-person singular dative of tu

Nonstandard spelling of tahu.

the Greek letter tau (Τ or τ)

year (time it takes for the Earth to complete one revolution of the Sun)

year (time it takes for any planetary body to make one revolution around another body)

year (a period between set dates that mark a year)

year (scheduled part of a calendar year spent in a specific activity)

year (Julian year)

year (level or grade at school or college)

to settle

knowledge

to know

to know

two

such

tau (Greek letter Τ, τ)

tau (name of the Greek letter Τ, τ)

tauon

tau; the Greek letter Τ, τ

tauon (elementary particle)

some

to put, to place

fight

lion

Central Vietnam form of tao (“I/me”)

third-person singular present indicative/future of tewi

Source: wiktionary.org