SM

from WordNet (r) 3.0 (2006)

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

from The Free On-line Dictionary of Computing (8 July 2008)

sm

   <networking> The {country code} for San Marino.

   (1999-01-27)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

SM
       Smart Media [card]

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

SM
       Sparse Mode (PIM, Multicast)