sort by Rank | Alpha
| Possible Meanings | Rank |
| Minimal Risk Regions | **** |
| Machine Robo Rescue | **** |
| Manchester Road Race | **** |
| Major Repair and Renovation | **** |
| Major Repairs and Renovations | **** |
| Minnesota Road Research | **** |
| Major Repair and Rehabilitation | **** |
| Marginal Rates of Return | **** |
| Maximum Rock and Roll | *** |
| Monthly Recurring Rates | *** |
| Minimum Retail Rate | *** |
| Mad River Riders | *** |
| Mandated Rate Reduction | *** |
| Market Research Requests | *** |
| Major Repair Rehabilitation | *** |
| Maximum Room Rates | *** |
| Mathematics Resource Room | *** |
| Manual Revision Record | *** |
| Monitoring Research Review | *** |
| Minimum Reserved Rate | *** |
| Micro Rain Radar | *** |
| Ministry of Resettlement Rehabilitation | *** |
| Microform Reading Room | *** |
| magnetic resonance renography | ** |
| Mammalian ribonucleotide reductase | ** |
| Markov Risk Rate | ** |
| maximal relaxation rate | ** |
| maximum relation rate | ** |
| maximum relaxant response | ** |
| Maximum relaxation rate | ** |
| Maximum Repetition Rate | ** |
| mean reduction ratio | ** |
| medical receiving room | ** |
| medullary-renal ratio | ** |
| meta Relative Risk | ** |
| meta-relative risk | ** |
| meta-risk ratio | ** |
| minimal regulatory region | ** |
| mitochondrial redox ratio | ** |
| mixed rosetting reactions | ** |
| mortality risk ratio | ** |
| motor recovery rate | ** |
| mouse ribonucleotide reductase | ** |
| myeloid restricted region | ** |
| myotatic reflex response | ** |
| Main Reading Room | ** |
| Mission Resource Requirement | ** |
| Middle Ring Road | ** |
| Ministry of Reconstruction Rehabilitation | ** |
| mitochondrial regulatory region | ** |
| Motorised Rifle Regiment | ** |
| Major Repairs Reserve | ** |
| Michigan Rabbit Rescue | ** |
| Message Request Register | ** |
| maximum rate of rise | ** |
| Midwest Rotary Rendezvous | ** |
| motility rate of recovery | ** |
| Massapequa Road Runners | ** |
| Material Resources Recovery | ** |
| Monthly Research Review | ** |
| Madrose Racing Rallyeteam | ** |
| Mississippi River Revival | ** |
| Monthly Recurring Rate | ** |
| Missouri River Relief | ** |
| Moon Room Records | ** |
| medical records request | ** |
| Motor Rifle Regiment | ** |
| Mean R-R intervals | ** |
| mean RR interval | ** |
| Mean RR intervals | ** |
| Monitoring Recordkeeping and Reporting | ** |
| Marginal Reimbursement Rate | ** |
| Mineral Reserves and Resources | ** |
| Material Resource Recovery | ** |
| Medium range recovery | ** |
| Most Referred Realtor | ** |
| Material Rejection Report | ** |
| materials recovery report | ** |
| Microenterprise Results Reporting | ** |
| Mineralocorticoid Receptor Resource | ** |
| Minimum Required Reserves | ** |
| Maximum Rate of Relaxation | ** |
| Meet in the Real Rockies | ** |
| Multiple Response Resolver | ** |
| Mechanical Reliability Reports | ** |
| Michigan Russell Rescue | ** |
| material received report | * |
| Mini Racing Rheintal | * |
| Mechanical Robotic Rover | * |
| Manila Rail Road | * |
| Member Rights and Responsibilities | * |
| Minimum Residual Radiation | * |
| Mode Request Register | * |
| Molecular Receptive Range | * |
| Mortality Rate Ratios | * |
| Maximal Rate of Relaxation | * |
| Monthly Readiness Review | * |
| Machine Readable Records | * |
| Manual Response Rates | * |
| Marshfield Road Runners | * |
| Melanoma Research Registry | * |
| Ministry of Return and Repatriation | * |
| modular railed receiver | * |
| Morgan Reptile Replicas | * |
| Multiple Reporting Records | * |
| Mission Reconfiguration Request | * |
| Mail Return Rate | * |
| Materiel Release Review | * |
| Minimum risk routes | * |
| Maritime Regulatory Reform | * |
| Miner River Resources | * |
| Mission Requirements Requests | * |
| Magnetic Resonance Resources | * |
| Maintenance and Repair Record | * |
| Medical Regulating Request | * |
| Mineral Resources Research | * |
| Manual Radar Report | * |
| Marathon Robinson Refinery | * |
| Margaret River Reef | * |
| Mata Rocks Resort | * |
| Maximum Records Returned | * |
| Medieval Renaissance Recipes | * |
| Meteor Research Resources | * |
| Mine Reclamation Requirements | * |
| Mine Regulation Reporter | * |
| Mineral Reserves Remaining | * |
| Minesite Rehabilitation Research | * |
| Minimum Reclamation Requirements | * |
| Minimum Risk Route; Motorized Rifle Regiment | * |
| Mining Related Resources | * |
| Mister Richard Riggins | * |
| Monitoring Recording and Reporting | * |
| More Recommended Readings | * |
| Morrisound Recording Rodger | * |
| Morrissey Reprise Records | * |
| motorized rifle regiment (Soviet) | * |
| Mount Rainier Regional | * |
| Movies Released Recently | * |
| Mudgee Region Regional | * |
| Musical Reproductions on Rights | * |