root-mean-square

noun

ˈrüt-ˈmēn-ˈskwer How to pronounce root-mean-square (audio)
ˈru̇t-
: the square root of the arithmetic mean of the squares of a set of numbers

Word History

First Known Use

1895, in the meaning defined above

Time Traveler
The first known use of root-mean-square was in 1895

Dictionary Entries Near root-mean-square

root maggot

root-mean-square

root-mean-square deviation

See More Nearby Entries 

Cite this Entry

“Root-mean-square.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/root-mean-square. Accessed 21 Nov. 2024.

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