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RM

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  1. reichsmark.

rm.

plural rms.
  1. ream.
  2. room.

r.m.

  1. reichsmark.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for rm

rm

abbreviation for
  1. ream
  2. room

RM

abbreviation for
  1. Royal Mail
  2. Royal Marines
  3. (in Canada) Rural Municipality
  4. Madagascar (international car registration)

Word Origin

(sense 4) From R(epublic of) M(adagascar)
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