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abstraction > mathematical concept > unit > length unit > meter |
meter comparison table |
Subject | is an acronym for | has definition | has historical origin | has symbol | has approval agency | is a kind of | has approval date | is an instance of | is a unit of | has consequence |
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base SI unit | Syteme Internationale | a unit assumed to be mutually independent from which all other units are derived | SI unit | |||||||
length unit | unit | length | ||||||||
meter | Syteme Internationale | length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second | chosen in 1791 by the French Academy of Sciences as 10-7 of the length of the meridian through Paris from pole to the equator | m | 11th CGPM | 1960 | base SI unit | length | fixes the speed of light in vacuum at exactly 299792458 m·s-1 |
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