ECM

from WordNet (r) 3.0 (2006)

ECM
    n 1: electronic warfare undertaken to prevent or reduce an
         enemy's effective use of the electromagnetic spectrum [syn:
         {electronic countermeasures}, {ECM}]

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

ECM

   <storage> {error correcting memory}.

   (1995-10-10)

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

ECM
       Enterprise Content Management

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

ECM
       Entity Coordination Management (FDDI, SMT)

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

ECM
       Error Correction / Correcting Mode (FAX, HDLC)