Definition:System of Measurement

Definition
A system of measurement is a set of fundamental units of measurement with which one can measure any measurable physical property.

Examples
There are various system of measurement, for example:


 * SI units (Système International), which evolved from the MKS system


 * MKS, that is, Meter-Kilogram-Second


 * CGS, that is, Centimeter-Gram-Second


 * Imperial or FPS: that is, Foot-Pound-Second.

There are other more specialized ones.