tau

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See also: Tau, tàu, tău, ta'u, and taʻu

English[edit]

Ancient Greek Alphabet

sigma
Greek uc tau.svgGreek lc tau.png
upsilon
Τ τ
Ancient Greek: ταῦ
Wikipedia article on tau


Etymology[edit]

Borrowing from Ancient Greek ταῦ (taû).

Pronunciation[edit]

Noun[edit]

tau (plural taus)

  1. The name of 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.
  2. A Τ-shaped sign or structure; a St. Anthony's cross, 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)
  3. (physics, dated) A tau meson, now usually known as a kaon.
  4. (physics) An unstable heavy lepton, which decays into a muon or electron; a tauon.
  5. (biology) 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.
  6. (mathematics, neologism) A constant equal to twice the value of pi; often written τ.

Coordinate terms[edit]

Translations[edit]

Anagrams[edit]


Catalan[edit]

Noun[edit]

tau f (plural taus)

  1. Tau; the Greek letter Τ (lowercase τ).
  2. Tav; the Hebrew letter ת.
  3. (religion) A tau cross.

Czech[edit]

Noun[edit]

tau n

  1. tau

Finnish[edit]

Etymology[edit]

Borrowing from Ancient Greek ταῦ (taû).

Greek letter
Ττ
Previous: sigma
Next: ypsilon
Finnish Wikipedia has an article on:

Wikipedia fi

Pronunciation[edit]

  • IPA(key): /ˈtɑu/
  • Hyphenation: tau

Noun[edit]

tau

  1. tau

Declension[edit]


French[edit]

Pronunciation[edit]

Noun[edit]

tau m (plural tau)

  1. tau (Greek letter)
  2. (physics) tau, tauon

Anagrams[edit]

External links[edit]


Icelandic[edit]

Etymology[edit]

Borrowing from Danish tøj.

Pronunciation[edit]

Noun[edit]

tau n (genitive singular taus)

  1. fabric
  2. clothing

Declension[edit]


Italian[edit]

Noun[edit]

Italian Wikipedia has an article on:

Wikipedia it

tau m, f (invariable)

  1. tau (Greek letter)

Anagrams[edit]


Japanese[edit]

Romanization[edit]

tau

  1. rōmaji reading of たう

Lithuanian[edit]

Pronoun[edit]

tau

  1. (second-person singular) dative form of tu.

Lojban[edit]

Pronunciation[edit]

Cmavo[edit]

tau

  1. indicates that the next letter's case is flipped when spelling a word
    .abu ry. tau xy. .ibu vy.
    a-r-X-i-v

Related terms[edit]

Rafsi[edit]

tau

  1. rafsi of tanru.

Maori[edit]

Etymology 1[edit]

From Proto-Polynesian *taqu, from Proto-Oceanic, from Proto-Malayo-Polynesian *taqun.

Noun[edit]

tau

  1. year (time it takes for the Earth to complete one revolution of the Sun)
  2. year (time it takes for any planetary body to make one revolution around another body)
  3. year (a period between set dates that mark a year)
  4. year (scheduled part of a calendar year spent in a specific activity)
  5. year (Julian year)
  6. year (level or grade at school or college)

Etymology 2[edit]

From Proto-Polynesian *tau (compare Hawaiian kau, Niuean tau, Tongan tau), from Proto-Oceanic, from Proto-Malayo-Polynesian *taʀuq (compare Indonesian taruh, Malagasy tao, Malay taruh).

Verb[edit]

tau

  1. to settle

Niuean[edit]

Etymology 1[edit]

From Proto-Polynesian *taqu, from Proto-Oceanic, from Proto-Malayo-Polynesian *taqun.

Noun[edit]

tau

  1. year (time it takes for the Earth to complete one revolution of the Sun)
  2. year (time it takes for any planetary body to make one revolution around another body)
  3. year (a period between set dates that mark a year)
  4. year (scheduled part of a calendar year spent in a specific activity)
  5. year (Julian year)
  6. year (level or grade at school or college)

Etymology 2[edit]

From Proto-Polynesian *tau (compare Hawaiian kau, Maori tau, Tongan tau), from Proto-Oceanic, from Proto-Malayo-Polynesian *taʀuq (compare Indonesian taruh, Malagasy tao, Malay taruh).

Verb[edit]

tau

  1. fight

Norwegian[edit]

Alternative forms[edit]

  • tog (Nynorsk)

Noun[edit]

tau

  1. rope
  2. (physics) tau lepton
  3. tau (Greek letter)

Inflection[edit]

Synonyms[edit]


Portuguese[edit]

Noun[edit]

tau m (plural taus)

  1. tau (name of the Greek letter Τ, τ)

Sotho[edit]

Noun[edit]

tau

  1. lion

Spanish[edit]

Noun[edit]

tau f (plural taus)

  1. tau; the Greek letter Τ, τ
  2. tauon (elementary particle)

Synonyms[edit]

See also[edit]


Tahitian[edit]

Adjective[edit]

tau

  1. some

Synonyms[edit]

References[edit]


Tongan[edit]

Etymology[edit]

From Proto-Polynesian *tau (compare Hawaiian kau, Maori tau, Niuean tau), from Proto-Oceanic, from Proto-Malayo-Polynesian *taʀuq (compare Indonesian taruh, Malagasy tao, Malay taruh).

Verb[edit]

tau

  1. fight

Tswana[edit]

Pronunciation[edit]

Noun[edit]

tau CLASS 9/10 (plural ditau)

  1. lion