root-mean-square

noun

ˈrüt-ˈmēn-ˈskwer

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

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“Root-mean-square.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/root-mean-square. Accessed 3 Mar. 2025.

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root-mean-square

noun

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