dictionary.pt
tau
nounmasculinetechnicaluncommon/taw/tau
Definition
1Name of the 19th letter of the Greek alphabet (τ, T). In particle physics, it designates a type of lepton (tauon). Also used to symbolize time constant or torque.
Usage examples
“The tau is a heavy lepton. / The circuit's time constant is represented by tau (τ).”