IEVref: 103-06-01 ID: Language: en Status: Standard Term: period Synonym1: Synonym2: Synonym3: Symbol: T Definition: smallest positive difference between two values of the independent variable at which the values of a periodic quantity are identically repeatedNote 1 to entry: If $f\left(t\right)$ denotes a periodic quantity, then $f\left(t+T\right)=f\left(t\right)$. Note 2 to entry: The term "period duration" is sometimes used in the case of a function of time. Note 3 to entry: The symbol T is mainly used for the period when the independent variable is time. Publication date: 2009-12 Source: Replaces: Internal notes: 2017-02-20: Editorial revisions in accordance with the information provided in C00020 (IEV 103) - evaluation. JGO CO remarks: TC/SC remarks: VT remarks: Domain1: Domain2: Domain3: Domain4: Domain5: