rms

or r.m.s.

rm.

plural rms.
  1. ream.
  2. room.

R.M.S.

  1. Railway Mail Service.
  2. British. Royal Mail Service.
  3. British. Royal Mail Steamship.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of rms


British Dictionary definitions for rms

rms

abbreviation for
  1. root mean square

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