sort by Rank | Alpha
| Possible Meanings | Rank |
| Metal Oxide Resistors | ***** |
| Meals on the Run | **** |
| Mother of Runes | **** |
| Music on Record | **** |
| Management and Organization | *** |
| Monsters of Rock | *** |
| Monthly Operational Reports | *** |
| Male Oriented Rams | *** |
| Masters of Rock | *** |
| Museum of the Rockies | *** |
| Members of Rainbow | *** |
| Mid Ocean Ridges | *** |
| Mu Opioid Receptor | *** |
| Modelo Objeto Relacional | *** |
| Myometrial Oxytocin Receptors | *** |
| Minimum Operating Requirements | *** |
| Mobile Operating Rooms | *** |
| Marlins of Raleigh | *** |
| Mining Object Repository | *** |
| Ministry of Revenue | *** |
| Mapping of Rules | *** |
| Management and Organization Review | *** |
| Monthly Operational Reviews | *** |
| Mouse Olfactory Receptor | *** |
| M Opioid Receptor | *** |
| Monthly Operating Reports | *** |
| Model Output Reports | *** |
| Means of Rescue | *** |
| Magneto Optical Rotation | *** |
| Micro Opioid Receptor | *** |
| Method of Reimbursement | ** |
| 38;mgr; opioid receptor | ** |
| 38;mgr;-opiate receptor | ** |
| 38;mgr;-opioid receptors | ** |
| maculo-ocular reflex | ** |
| Matched Odds Ratio | ** |
| maximal opsonin receptor | ** |
| mean outflow resistance | ** |
| measured outflow resistance | ** |
| Metal Oxygen Refinement | ** |
| mu opiate receptor | ** |
| Mu opioid receptors | ** |
| mu-opiate receptor | ** |
| mu-opiod receptor | ** |
| mu-opioid receptors | ** |
| mucus occupying ratio | ** |
| mucus-occupying ratio | ** |
| Multiple Oral Rereading | ** |
| multiple organ retrieval | ** |
| multiple-organ retrieval | ** |
| multivariate ordinal risk | ** |
| Mandatory Occurrence Reporting | ** |
| Minutes of Reperfusion | ** |
| 38;mgr;-opioid receptor | ** |
| 38;mgr;-opioid receptor gene | ** |
| Mantel-Haenszel odds ratio | ** |
| mastectomies without radiation | ** |
| mu opioid receptor gene | ** |
| mu-opioid receptor gene | ** |
| Manually Operated Rifle | ** |
| Market Opinion Research | ** |
| Ministry of Reconstruction | ** |
| Miscellaneous Output Register | ** |
| Monthly Operation Reports | ** |
| Marketing and Opinion Research | ** |
| Management Oversight and Risk | ** |
| Mask Option Register | ** |
| Maintenance Outage Rate | ** |
| monthly operation report | ** |
| Moment of Resistance | ** |
| Monsters of Roll | ** |
| Museum of Reconstructions | ** |
| Mgr Opioid Receptors | ** |
| Motorist Observation Reports | ** |
| Mail Order Responder | ** |
| Management and Occupancy Review | ** |
| Maximum Outstanding Request | ** |
| Mu Opoid Receptor | ** |
| Minority Over Representation | ** |
| Mandatory Occurence Reporting | ** |
| McGill Object Relations | ** |
| Millennium Operating Regime | ** |
| Minor Offense Reports | ** |
| Methamphetamine Offender Registration | ** |
| Mars Orbital Rendezvous | ** |
| Management Occupancy Review | * |
| Masters of Rise | * |
| Medication Observation Records | * |
| Monthly Operations Report | * |
| Montreal Ottawa Railway | * |
| Mauritius Oil Refineries | * |
| Missions Operations Room | * |
| Modelled Oral Reading | * |
| Musicians of Rollins | * |
| Magneto Optical Recording | * |
| Medication Order Records | * |
| Medium Orange Red | * |
| Military Operational Requirements | * |
| Mobile Outbreak Response | * |
| Monthly Operation Records | * |
| middle operon regulator | * |
| Modification Or Reconstruction | * |
| Magmatism at Ocean Ridges | * |
| Monthly Obligations Report | * |
| Major Outage Report | * |
| Maintenance Of Road | * |
| Manchester Observe and Record | * |
| Marissa Oak Ridge | * |
| Master Oscillation Room | * |
| Mid Oklahoma Repeator | * |
| Mining Operations and Reclamation | * |
| Miscellaneous Obligation Record | * |
| Modifier What Organization | * |
| Murmansk Oblast Russia | * |