tau — meaning in English

English meaning

• Tau name A surname found in Chinese and African communities, also the name of a Greek letter used as a mathematical constant.

Senses

tau is used for these senses in English:

• tau The letter Τ//τ in the Greek alphabet; being the nineteenth letter of the Classical and Modern Greek, and the twenty-first letter of the Old and Ancient Greek alphabets.
• tauon An unstable elementary particle which is a type of lepton, having a mass almost twice that of a proton, a negative charge, and a spin of ½; it decays into hadrons (usually pions) or other leptons, and neutrinos.