OMA

from The Collaborative International Dictionary of English v.0.48

-oma \-o"ma\suff. [Gr. ?, ?.]
   A suffix used in medical terms to denote a morbid condition
   of some part, usually some kind of tumor; as in fibroma,
   glaucoma.
   [1913 Webster]

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

OMA

   Object Management Architecture.

   A set of standards under study by the {OMG}.

   (1994-11-11)

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

OMA
       Object Management Architecture (OMG)

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

OMA
       Open Mobile Alliance (org., mobile-systems)

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

OMA
       Outlock Mobile Access (mobile-systems, PDA, WAP)