| MRB |
Material Review Board |
| MRBF |
Mean Renal Blood Flow |
| MRBM |
Medium Range Ballistic Missile |
| MRC |
Medical Research Council |
| MRC |
Measurement Requirements Committee |
| MRC |
Monthly Recurring Charge |
| MRCA |
Military Rehabilitation and Compensation Act |
| MRCC |
Missouri Registered City Clerk |
| MRCC |
Maritime Rescue Co-ordination Centre |
| MRCP |
Member of Royal College of Physicians |
| MRCR |
Measurement Requirement Change Request |
| MRCS |
Member of Royal College of Surgeons |
| MRCVS |
Member of Royal College of Veterinary Surgeons |
| MRD |
Mission Requirements Document |
| MRD |
Material Review Disposition |
| MRDR |
Material Review Disposition Record |
| MRE |
Master of Real Estate |
| MREC |
Multi-centre Research Ethics Committee (UK) |
| MRES |
Master of Research |
| MRF |
Maximum Retarding Force |
| MRF |
Maintenance Responsibility File |
| MRF |
Midbrain Reticular Formation |
| MRF |
Muscle Regulatory Factor |
| MRG |
Mission Requirements Group |
| MRI |
Magnetic Resonance Imaging |
| MRI |
Moderate Resolution Imager |
| MRI |
Measurement Requirements and Interface |
| MRIC |
Missions Review and Initiatives Committee |
| MRIR |
Medium Resolution Infrared Radiometer |
| MRL |
Manual Retention Latch |
| MRL |
Material Requirements List |
| MRL |
Manipulator Retention Lock |
| MRL |
Manipulator Retention Latches |
| MRM |
Medium Range Missile |
| MRM |
Modified Radical Mastectomy |
| MRM |
Medical Risk Manager |
| MRM |
Managing Risk Manager |
| MRM |
Mission Readiness Manager |
| MRO |
Mars Reconnaissance Orbiter |
| MRO |
Marine Radio Officer |
| MRPC |
Market Research & Planning Cell |
| MRR |
Mission Readiness Request |
| MRR |
Management Requirements Review |
| MRR |
Mission Reconfiguration Request |
| Mrs |
Mistress |
| MRS |
Management Review System |
| MRSC |
Marine Rescue Sub-Centre |
| MRSL |
Middle Range Salary Level |
| MRSL |
Master Recruitment Source List |
| MRSP |
Mission Ready Spares Package |