Meter (m)
Definition: Meter (symbol: m) na base unit of length for International System of Units (SI). Since 2019, dem define am as the length of the path wey light travel for vacuum during time interval of 1/299,792,458 of one second.
History/origin: Dem first define meter for 1793 as one ten‑millionth of the distance from equator to North Pole along the meridian wey pass Paris. Over time dem refine the definition: first tie am to platinum‑iridium bar, later to wavelength of light, and finally to the speed of light.
Current use: Meter na main length unit for almost every country. Dem dey use am for science, engineering, construction, and everyday measurement anywhere metric system don enter.