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Meter
Description
The meter, symbol m, is the SI unit of length. It is defined by taking the fixed numerical value of the speed of light in vacuum c to be 299 792 458 when expressed in the unit m sβ1, where the second is defined in terms of the caesium frequency ΞΞ½Cs.
Abbreviation: m
Reference: Bureau International des Poids et Mesures (2019) The International System of Units (SI). 9th edition:117-216 ISBN 978-92-822-2272-0. - Β»Open Access pdfΒ«
Template:Keywords SI base units
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