• 1. Tau - Wikipedia

  wikipedia.org:443

  Link: https://en.wikipedia.org:443/wiki/Tau

  Description: WEBTau in astronomy is a measure of optical depth, or how much sunlight cannot penetrate the atmosphere; In the physical sciences, tau is sometimes used as time variable, to avoid confusing t as temperature; Time constant (also relaxation time) of any system, such as an RC circuit; Torque, the rotational force in mechanics

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• 2. Tau Definition & Meaning - Merriam-Webster

  merriam-webster.com:443

  Link: https://www.merriam-webster.com:443/dictionary/tau

  Description: WEB1. : 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 …

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• 3. Greek Small Letter Tau - Wumbo

  wumbo.net:443

  Link: https://wumbo.net:443/symbols/tau/

  Description: WEBThe Greek letter τ (tau) is used in trigonometry as a constant to represent a full rotation around a circle in radians. The value of τ is approximately 6.28 and can be calculated by dividing any circle's circumference by its radius.

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• 4. Tau (mathematical constant) - Simple English Wikipedia, the free

  wikipedia.org:443

  Link: https://simple.wikipedia.org:443/wiki/Tau_(mathematical_constant)

  Description: WEBTau ( 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]

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• 5. Tau | Lepton, Decay & Interaction | Britannica

  britannica.com:443

  Link: https://www.britannica.com:443/science/tau-subatomic-particle

  Description: WEBFeb 22, 2024 · 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.

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• 6. Tau (particle) - Wikipedia

  wikipedia.org:443

  Link: https://en.wikipedia.org:443/wiki/Tau_(particle)

  Description: WEBThe 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.

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• 7. Tau versus pi (video) | Long live Tau | Khan Academy

  khanacademy.org:443

  Link: https://www.khanacademy.org:443/math/trigonometry/unit-circle-trig-func/long-live-tau/v/tau-versus-pi

  Description: WEBAnd what they argue for is a number called tau, or what they call tau. And they define tau, and it's a very simple change from pi. They define tau not as the ratio of the circumference the diameter, or the ratio of the circumference to 2 times the radius.

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• 8. Tau Symbol in Greek Alphabet - Ελληνικά Γράμματα και

  greeksymbols.net:443

  Link: https://www.greeksymbols.net:443/tau-symbol

  Description: WEBThe lowercase letter tau (τ) is used as a symbol for a specific tax amount in economics. This greek letter is also used to represent the torsion of a curve, stopping time, Kendall tau rank correlation coefficient, golden ratio, and divisor function in mathematics.

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• 9. TAU | English meaning - Cambridge Dictionary

  cambridge.org:443

  Link: https://dictionary.cambridge.org:443/dictionary/english/tau

  Description: WEBTAU definition: 1. the 19th letter of the Greek alphabet 2. the 19th letter of the Greek alphabet. Learn more.

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• 10. tau noun - Definition, pictures, pronunciation and usage notes

  oxfordlearnersdictionaries.com:443

  Link: https://www.oxfordlearnersdictionaries.com:443/definition/english/tau

  Description: WEBnoun. /tɔː/, /taʊ/ the 19th letter of the Greek alphabet (T, τ) Word Origin. Take your English to the next level. The Oxford Learner’s Thesaurus explains the difference between groups of similar words. Try it for free as part of the Oxford Advanced Learner’s Dictionary app. See tau in the Oxford Advanced American Dictionary.

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