DuckCorp Dico

Found 3 definitions

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   mm \mm\, n.
      millimeter; -- the IS standard abbreviation. [abbreviation]
      [PJC]
   
                   
                 

2.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   mM \mM\, a. Chem.)
      millimolar; -- the IS standard abbreviation. [abbreviation]
      [PJC]
   
                   
                 

3.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Monsieur \Mon*sieur"\, n.; pl. Messieurs. [F., fr. mon my +
      Sieur, abbrev. of seigneur lord. See Monseigneur.]
      1. The common title of civility in France in speaking to, or
         of, a man; Mr. or Sir. [Represented by the abbreviation M.
         or Mons. in the singular, and by MM. or Messrs. in the
         plural.]
         [1913 Webster]
      2. The oldest brother of the king of France.
         [1913 Webster]
      3. A Frenchman. [Contemptuous] --Shak.
         [1913 Webster]