IEVref: 102-05-01 ID: Language: en Status: Standard Term: scalar line element Synonym1: Synonym2: Synonym3: Symbol: ds Definition: at a given point of a given oriented curve, differential of the abscissa of the pointNote 1 to entry: For a curve defined by the position vector r as a function of a parameter u, the scalar line element is given by $|\frac{\mathrm{d}r}{\mathrm{d}u}|\mathrm{d}u$. Publication date: 2008-08 Source: Replaces: Internal notes: 2017-02-20: Editorial revisions in accordance with the information provided in C00019 (IEV 102) - evaluation. JGO CO remarks: TC/SC remarks: VT remarks: Domain1: Domain2: Domain3: Domain4: Domain5: