| Medical Doctors Research | Academic & Science |
| Minimum Decompression Rules | Academic & Science |
| Merchant Discount Rate | Accounts and Finance |
| Medfra (ak) | Airport Code |
| McDermott International, Inc. | Business |
| Marketing that Delivers Results | Business |
| Mojave Desert Racing, Incorporated | Business |
| Manorial Document Register | Business |
| Market Data Retrieval | Business |
| Manifest Discrepancy Report | Business |
| Main Document Register | Business |
| Mortgage Default Rate | Business |
| Management Data Repository | Business Management |
| Memories, Dreams, Reflections | Community |
| Mekong Delta Region | Community |
| Mixed Dry Recyclables | Community |
| Music Deserves Respect | Community |
| Midas (maximum Integrated Data Acquisition System) Data Recorder | Computer Hardware |
| Memory Disk Register | Computer Hardware |
| Master Data Record | Computing |
| Medium Dynamic Range | Computing |
| Mini Disc Recorder | Computing |
| Multi Channel Data Recorder | Computing |
| Meta Data Registries | Computing |
| Multimedia Data Retrieval | Computing |
| Modular Data Router | Computing |
| Multi Decrypt Receiver | Computing |
| Message Detail Record | Computing |
| Memory Data Register | Computing |
| Meta Data Repository | Database Management |
| Mass Data Reporting | Database Management |
| Microdrive File (zx Spectrum Emulator) | File Type |
| Memory drum register | General |
| Mojave Desert Race | General |
| Mountain District Rodders | General |
| Minimum Daily Requirement | General |
| Master Document Register | General |
| Maarten de Rijke | General |
| Motor Driven Roller | General |
| Middle Distance Relationship | General |
| Magnetic Diagnostic Resources | General |
| Median Duration Of Response | General |
| Mini Delta Ribbon | General |
| Marcel Dettmann Records | General |
| Mandatory Declassification Review | General |
| Manufacturer's Data Report | General |
| Merchants Discount Rate | General |
| Micro Dynamic Rifle | General |
| Maintenance Data Recorder | General |
| Managed Detection and Response | General |
| Main Distribution Room | General |
| Marc Dirk Russel | General |
| Monthly Director's Review | Governmental |
| Medical Device Reporting | Governmental |
| Mandatory Medical Device Reporting | Governmental |
| Major District Road | Governmental |
| Main Supply Rout | Governmental |
| Movement for Democratic Renewal | Governmental |
| MADHIRA | Indian Railway Station |
| Mort De Rire | International |
| Menage Du Ra | International |
| Macular Degeneration Research | Medical |
| Multi-Drug Resistance | Medical |
| Multiple Disease Resistance | Medical |
| Multiple Drug Resistant | Medical |
| Manifestation Determination Review | Medical |
| Medium Dose Rate | Medical |
| multi-drug resistant/ce | Medical |
| miltidrug-resistant | Medical |
| Medical Device Report | Medical |
| MultiDrug-Resistant | Medical |
| Milestone Decision Review | Military and Defence |
| Medium Data Rate | Military and Defence |
| Mine-detection Rat | Military and Defence |
| Multiservices Dynamic Reservation | Networking |
| Mass Distribution Ratio | Physics Related |
| Maximum Detectable Rigidity | Physics Related |
| Multifactor Dimensionality Reduction | Softwares |
| Maintenance Demand Rate | Space Science |
| Major Design Review | Space Science |
| Minor Discrepancy Repair | Space Science |
| Missing Data Report | Space Science |
| Mission Data Reduction | Space Science |
| Mojave Desert Racing, Inc. | Sports |
| Middle Distance Runner | Sports |
| Most Dangerous Receiver | Sports |
| Maiden Dirt Route | Sports |
| Mojave Desert Racing | Sports |
| Miniatures Driving and Riding | Sports |
