Advertisement

Advertisement

root mean square

noun

, Mathematics.
  1. the square root of the arithmetic mean of the squares of the numbers in a given set of numbers. : rms


root mean square

noun

  1. the square root of the average of the squares of a set of numbers or quantities rms

    the root mean square of 1, 2, and 4 is √[(1² + 2² + 4²)/3] = √7

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


Discover More

Word History and Origins

Origin of root mean square1

First recorded in 1890–95

Advertisement

Advertisement

Advertisement

Advertisement


rootletroot nodule