- A system of physical units ( SI units) based on the metre, kilogram, second, ampere, kelvin, candela, and mole, together with a set of prefixes to indicate multiplication or division by a power of ten.More example sentences
- The modern international system of units includes the Gray, the Sievert, and the Becquerel (Bq); these replace the rad, rem, and Curie, respectively.
translating French Système International d'Unités.
More definitions of International System of UnitsDefinition of International System of Units in:
- The US English dictionary