tau
noun Etymology: Middle English taw, from Latin tau, from Greek, of Semitic origin; akin to Hebrew tāw taw Date: 14th century 1. the 19th letter of the Greek alphabet — see alphabet table 2. a short-lived elementary particle of the lepton family that exists in positive and negative charge states and has a mass about 3500 times greater than an electron — called also tau particle 3. a protein that binds to and regulates the assembly and stability of neuronal microtubules and that is found in an abnormal form as the major component of neurofibrillary tangles

New Collegiate Dictionary. 2001.

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  • tau — tau …   Dictionnaire des rimes

  • tau — [ to ] n. m. inv. • 1671 blas.; mot gr. 1 ♦ (1832) Lettre grecque correspondant au t (T). 2 ♦ (1671) Blas. Figure en forme de T appelée aussi croix de Saint Antoine. ♢ Bâton pastoral en forme de potence ou de béquille. ⊗ HOM. Taud, taux , tôt. ●… …   Encyclopédie Universelle

  • Tau — (uppercase Τ, lowercase τ; el. Ταυ [taf] ) is the 19th letter of the Greek alphabet. In the system of Greek numerals it has a value of 300. This letter in English is pronounced IPA|/taʊ/, but in Modern Greek, this letter s name is pronounced… …   Wikipedia

  • Tau — bezeichnet: Tau (Niederschlag), durch Temperaturunterschiede kondensiertes Wasser Morgentau bei morgendlichem Auftreten Tauwerk, in der Seemannssprache ein gedrehtes Seil Tau (Buchstabe) (Majuskel Τ, Minuskel τ), 19. Buchstabe des griechischen… …   Deutsch Wikipedia

  • Tau — Tau, n. [Gr. tay^ the letter [tau] (English {T}).] (Zo[ o]l.) The common American toadfish; so called from a marking resembling the Greek letter tau ([tau]). [1913 Webster] {Tau cross}. See Illust. 6, of {Cross}. [1913 Webster] …   The Collaborative International Dictionary of English

  • tau — (literă grecească) s. m., pl. tau; τ, Τ Trimis de gall, 11.03.2008. Sursa: DOOM 2  tắu (ta, pl. tắi, tále), adj. pos. – Indică posesia la pers. II sing. – Mr. tău, tăi, tu, megl. tǫu, ta. lat. tŭum, probabil disimulat în *toum (Candrea, Éléments …   Dicționar Român

  • tau — s. m. 1. Nome da letra grega correspondente ao T. 2. Cruz branca em forma de T que os cônegos de Santo Antão usavam no hábito. 3.  [Física] Lépton de massa superior à do elétron e igual carga elétrica.   ‣ Etimologia: grego tau, décima nona letra …   Dicionário da Língua Portuguesa

  • Tau — (tou), n. [Gr. tay^.] The nineteenth letter ([Tau], [tau]) of the Greek alphabet, equivalent to English t. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • tau — [tou, tô] n. [ME taw, tau (esp. with ref. to the tau cross) < L tau < Gr < Sem, as in Heb tav, TAV] the nineteenth letter of the Greek alphabet (Τ, τ) …   English World dictionary

  • Tău — may refer to several villages in Romania:* Tău, a village in Roşia de Secaş Commune, Alba County * Tău, a village in Zau de Câmpie Commune, Mureş County …   Wikipedia

  • tau — nombre que el que se designa una proteína que estabiliza los microtúbulos de las neuronas. La regulación de la molécula se consigue mediante su expresión, localización, y fosforilación. Su disregulación conduce a una serie de enfermedades… …   Diccionario médico

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