hm

from WordNet (r) 3.0 (2006)
hm
    n 1: a metric unit of length equal to 100 meters [syn:
         {hectometer}, {hectometre}, {hm}]
from The Free On-line Dictionary of Computing (8 July 2008)
hm

   <networking> The {country code} for the Heard and McDonald
   Islands.

   (1999-01-27)
from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)
HM
       HyperMemory (graphics)
antiflux / dictionary / hm
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