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root mean square
(redirected from root mean squares)

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
root mean square
n. Statistics
The square root of the average of the squares of a set of numbers.

root mean square
n
(Mathematics) the square root of the average of the squares of a set of numbers or quantities the root mean square of 1, 2, and 4 is √[(12 + 22 + 42)/3] = √7 Abbreviation rms


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