V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

TCM
       Time Compression Multiplexer


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

TCM
       Thermal Conduction Module


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

TCM
       Trellis Coded Modulation


The Free On-line Dictionary of Computing (30 December 2018):

Trellis Code Modulation
TCM

   (TCM) A modulation technique with hardware error detection
   and correction.

   [Details?]

   (1995-02-22)