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Universalium. 2010.
tau particle — n. Particle Physics an unstable, negatively charged lepton with a mass of c. 1,777 MeV/c2 (or c. 3,490 times that of an electron) and a mean lifetime of 2.2 ×10 13 second: also called tau lepton or tauon [tou′än΄] … English World dictionary
tau particle — noun see tau … New Collegiate Dictionary
tau particle — noun see tau II, 1 … Useful english dictionary
tau particle — /ˈtaʊ patɪkəl/ (say tow pahtikuhl) noun → tauon …
Tau neutrino — Composition Elementary particle Statistics Fermionic Generation Third Interactions Weak, Gravity Symbol ν … Wikipedia
tau neu|tri|no — «t noo TREE noh», noun, a subatomic particle, one of the three types of neutrinos. A product of the decay of a tau particle, it was one of the last of twelve elementary building blocks of the universe to be observed by physicists: » Nonetheless,… … Useful english dictionary
Tau lepton — Infobox Particle bgcolour = name = Tau Lepton caption = num types = composition = Elementary particle family = Fermion group = Lepton generation = Third interaction = Gravity, Electromagnetic, Weak antiparticle = Antitauon theorized = discovered … Wikipedia
tau — /tow, taw/ for 1, 2, 4; /tahv, tawv/ for 3, n. 1. the 19th letter of the Greek alphabet (T). 2. the consonant sound represented by this letter. 3. tav. 4. Also, tauon. Physics. See tau lepton. [1250 1300; ME < L < Gk taû < Sem; cf. TAV] * * * … Universalium
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… … New Collegiate Dictionary
tau — n. the nineteenth letter of the Greek alphabet (T). Phrases and idioms: tau cross a T shaped cross. tau particle Physics an unstable, heavy, and charged elementary particle of the lepton class. Etymology: ME f. Gk … Useful english dictionary
