| Acronym | Definition |
|---|
| MMCM➣MultiMediaCard Mobile (flash memory format) |
| MMCM➣Mixed-Mode Clock Manager |
| MMCM➣MR (Magnetic Resonance) Macromolecular Contrast Medium (radiology) |
| MMCM➣Mustangs & More Car Meet (GC2) |
| MMCM➣Master of Music in Church Music (degree; various locations) |
| MMCM➣Machinist's Mate, Master Chief (USN Rating) |
| MMCM➣Mars Mesoscale Circulation Model (meteorology) |