Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

root–mean–square

noun

Definition of root–mean–square

  1. :  the square root of the arithmetic mean of the squares of a set of numbers



1895

First Known Use of root–mean–square

1895


Seen and Heard

What made you want to look up root–mean–square? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

in the capacity or character of

Get Word of the Day daily email!