English

Noun

root mean square ‎(plural root mean squares)

1. (mathematics, of a set of numbers or values) The square root of the arithmetic mean of the squares.

Usage notes

• This term is frequently used attributively, as in root mean square velocity, root mean square voltage, and so on.
• This term is typically abbreviated either RMS or rms.

Synonyms

• quadratic mean

Derived terms

• root mean square velocity

Translations