Source : WordNet®

Sm
     n 1: a gray lustrous metallic element of the rare earth group; is
          used in special alloys; occurs in monazite and
          bastnasite [syn: {samarium}, {atomic number 62}]
     2: a master's degree in science [syn: {Master of Science}, {MS},
         {MSc}]

Source : Free On-Line Dictionary of Computing

sm
     
         The {country code} for San Marino.
     
        (1999-01-27)