meter-kilogram-second
adjective
me·ter-ki·lo·gram-sec·ond
ˈmē-tər-ˈki-lə-ˌgram-ˈse-kənd 
: of, relating to, or being a system of units using the meter, kilogram, and second as its base units
—abbreviation mks
Note: The meter-kilogram-second system of units has largely been replaced with the International System of Units, which uses many of the same fundamental quantities to derive its units but is more rigorously defined and overseen.
Cite this Entry
“Meter-kilogram-second.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/meter-kilogram-second. Accessed 31 Oct. 2025.
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