meter-kilogram-second[mēt′ər kil′ə gram′sek′ənd]
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
designating or of a system of measurement in which the meter, kilogram, and second are used as the units of length, mass, and time, respectively: abbrev. MKS
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
adjective Abbr. mks
Of or being a system of units for mechanics, using the meter, the kilogram, and the second as basic units of length, mass, and time.