20250924-0 metri meter metar metro meter metro metr meeter метър μέτρο méadar metras meter metre mètre metri metru meter metro metr metru Meter méter meter 2019-01-10 2023-11-14 1952-07-23 MTR 2019-02-07 2019-01-23 metrov m m metri m m m metru metrů m metros metriä mètres mhéadar m m metri m m metrov metra metry m meetrit m m метра metres metara m metros m metre m metre м m m m m metra metri metrów metrai m metrų m metry m μέτρα The metre (m) is the base unit of length in some metric systems, including the International System of Units. The metre is defined as the length of the path travelled by light in a vacuum in 1/299 792 458 second. MTR false MTR 1952-07-23 MTR