méters

Meters, also known as metres in British English, is the base unit of length in the International System of Units (SI). It is defined by the speed of light in a vacuum. Specifically, one meter is the distance that light travels in a vacuum in 1/299,792,458 of a second. This definition was adopted in 1983, replacing previous definitions based on physical standards. The symbol for meter is 'm'.

The meter is a fundamental unit used in various scientific and engineering disciplines. It forms the basis for other units of length, such as the kilometer (1000 meters) and the millimeter (0.001 meters), which are used for measuring larger or smaller distances, respectively. The development of standardized units of measurement, including the meter, was a significant step in facilitating global trade, scientific research, and technological advancement. The meter originated from the French Revolution as part of an effort to standardize weights and measures.