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.

Word History

First Known Use

1888, in the meaning defined above

Kids Definition

meter-kilogram-second

adjective

: of, relating to, or being a system of units based on the meter as the unit of length, the kilogram as the unit of mass, and the second as the unit of time

Medical Definition

meter-kilogram-second

adjective

variants or chiefly British metre-kilogram-second also metre-kilogramme-second

: mks