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Tau ( τ) ( / ˈtɔː, ˈtaʊ /) is a mathematical constant that is the ratio of a circle 's circumference to its radius. This produces a number, and that number is always the same. However, the number is rather strange. The number starts as 6.283185307179586 and continues without end. Numbers like this are called irrational numbers. [1]
About. Transcript. Why Tau might be a better number to look at than Pi. Created by Sal Khan. Questions. Tips & Thanks. Want to join the conversation? Log in. Sort by: Top Voted. Michael Friend. 11 years ago. Tau is not very common... Pi is much more common, but why? •. ( 92 votes) Upvote. Downvote. Flag. Daniel Rigal. 8 years ago.
noun. the 19th letter of the Greek alphabet (T, τ ). the consonant sound represented by this letter. tav. Also tau·on []. Physics. tau lepton. Also called tau pro tein.
The tau ( τ ), also called the tau lepton, tau particle, tauon or tau electron, is an elementary particle similar to the electron, with negative electric charge and a spin of 1 2. Like the electron, the muon, and the three neutrinos, the tau is a lepton, and like all elementary particles with half-integer spin, the tau has a corresponding ...
tau, elementary subatomic particle similar to the electron but 3,477 times heavier. Like the electron and the muon, the tau is an electrically charged member of the lepton family of subatomic particles; the tau is negatively charged, while its antiparticle is positively charged.
TAU | definition in the Cambridge English Dictionary. Meaning of tau in English. tau. noun [ C or U ] language, mathematics, science us / taʊ / uk / taʊ / ( symbol T, τ) Add to word list Add to word list. the 19th letter of the Greek alphabet. SMART Vocabulary: related words and phrases. Letters of alphabets. ABCs. aitch. alphabetically.
noun. The nineteenth letter of the Greek alphabet (Τ, τ) Webster's New World. Similar definitions. A Τ-shaped sign or structure; a St. Anthony's cross, sometimes considered as a sacred symbol. Wiktionary. (physics, dated) A tau meson, now usually known as a kaon. Wiktionary.
