| Acronym | Definition |
|---|
| CMRR➣Common Mode Rejection Ratio |
| CMRR➣Center for Magnetic Recording Research (University of California, San Diego) |
| CMRR➣Chemistry and Metallurgy Research Replacement (Los Alamos National Laboratory) |
| CMRR➣Center for Magnetic Resonance Research (various universities) |
| CMRR➣Committed Monthly Recurring Revenue (prediction metric) |
| CMRR➣Centre Mémoire de Ressource et de Recherche (French: Memory Resource and Research Center; est. 2005) |
| CMRR➣Coal Mine Roof Rating (mining classification) |
| CMRR➣Certified Mail, Return Receipt (USPS) |
| CMRR➣Catskill Mountain Railroad |
| CMRR➣Cascaded Microring Resonator |