Metre (m) is the SI base unit of length.
The meter is the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 s.
This definition, adopted by the General Conference on Weights and Measure in October 1983, replaced the 1967 definition based on the krypton lamp.
Generalic, Eni. "Metre." Croatian-English Chemistry Dictionary & Glossary. 29 June 2022. KTF-Split. 1 Apr. 2025. <https://glossary.periodni.com>.
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