rms

or r.m.s.


  1. (often initial capital letter) root mean square.

Other definitions for R.M.S. (2 of 2)

R.M.S.

abbreviation
  1. Railway Mail Service.

  2. British. Royal Mail Service.

  1. British. Royal Mail Steamship.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for rms (1 of 2)

rms

abbreviation for
  1. root mean square

British Dictionary definitions for RMS (2 of 2)

RMS

abbreviation for
  1. Royal Mail Service

  2. Royal Mail Steamer

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012