| Abbreviation | Definition |
|---|---|
| MCM | Multi-Chip Module |
| MCM-C | Multi-Chip Module - Ceramic |
| MCM-D | Multi-Chip Module - Dielectric |
| MCM-P | Multi-Chip Module - Plastic |
| MCNC | Microelectronics Center of North Carolina |
| MCP | Micro-Channel Plate |
| MCP | Multi-Chip Package |
| MCS | Material Control System |
| MCSA | Multi-Channel Signal Analyzer |
| MCU | Metallic Channel Unit |
| MCU | Motor Control Unit |
| MCVD | Metal Chemical Vapor Deposition |
| MCXO | Microcomputer Compensated Crystal Oscillator |
| MD | Molecular Dynamics |
| MDA | Multiple Diode Array |
| MDAP | Multiple Direction Amplitude Panning |
| MDB | Main Distribution Board |
| MDL | Minimum Detectable Level |
| MD-MOS | Multi-Drain Metal-Oxide Semiconductor |
| MDQ | Market Driven Quality |