noun Download 🔗Share 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. Examples : "In Greek class, we learned that "tau" is the name of the Greek letter that looks like a capital T. " language writing linguistics character Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A Τ-shaped sign or structure; a Saint Anthony's cross, sometimes regarded as a sacred symbol. Examples : "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)" religion sign structure mythology Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A tau meson, now usually known as a kaon. Examples : "While researching particle physics, I learned that what was once called a "tau" is now more commonly known as a kaon. " physics Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share An unstable heavy lepton, which decays into a muon or electron; a tauon. Examples : "The physicist detected a tau particle decaying into an electron and two neutrinos in the experiment. " physics technical Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share Tau protein, a type of protein that stabilizes microtubules in the human central nervous system, failures of which are associated with forms of dementia. Examples : "In Alzheimer's disease, the abnormal clumping of tau protein disrupts brain function, leading to memory loss. " medicine biochemistry biology anatomy physiology disease Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A measurement of the sensitivity of the value of an option to changes in the implied volatility of the price of the underlying asset. Examples : "A high tau means the value of the option will change significantly if the market's expectation of future price volatility shifts. " finance business value math statistics technical Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its radius, approximately 6.2831853071; equal to twice the value of pi. Often written τ or 2π. Examples : "In geometry class, we learned that tau, which is about 6.28, represents the ratio of a circle's circumference to its radius. " math number science Chat with AIVocabulary GamePractice Reading
