| Acronym | Sense | Language | Topics |
|---|---|---|---|
| MDE | Modular Display Electronics | In English | → Electronics |
| MDEP | Management Decision Package | In English | |
| MDF | Main Distribution Frame | In English | → Telecommunications |
| MDF | Manipulator Development Facility | In English | → Electrical engineering |
| MDF | Mild Detonating Fuse | In English | |
| MDF | Medium Density Fibreboard | In English | → Timber and woodworking industry |
| MDF | Medium Density Fiber | In English | → Timber and woodworking industry |
| MDF | Medium-Density Fiberboard | In English | |
| MDFP | MAST Data Format Processing | In English | |
| MDFP | Mission Data Format Processing | In English | |
| MDI | Management Data and Information | In English | → Management |
| MDI | Mission Data Input | In English | |
| MDIS | Management Development Institute of Singapore | In English | → Management → Higher education, universities |
| MDL | Master Data Library | In English | → Libraries → Data |
| MDL | Module Design Language | In English | |
| MDL | Momentum Dump Logic | In English | |
| MDL | Minimal Description Length | In English | → Computer science → Mathematics |
| MDLC | Museum Digital Licensing Consortium | In English | → Museums |
| MDLC | Museum Digital Licensing Collective | In English | → Museums |
| MDM | Manipulator Deployment Mechanism | In English | |
| MDM | Material Division Manual | In English | |
| MDM | Module Design Methodology | In English | |
| MDM | Multiplexer/Demultiplexer | In English | |
| MDM | Master Data Management | In English | → Management |
| MDOP | Maximum Design Operating Pressure | In English | |
| MDP | Main Display Panel | In English | → Human-computer interaction |
| MDP | Master Display Panel | In English | → Human-computer interaction |
| MDP | Mission Data Pressure | In English | |
| MDP | Mission Data Processing/Processor | In English | → Computer hardware → Data processing |
| MDR | Monthly Director's Review | In English | → Management |
| MDR | Major Design Review | In English | |
| MDR | Manufacturing Design Review | In English | |
| MDR | Material Disposition Review | In English | |
| MDR | Mechanical Design Review | In English | → Mechanical engineering |
| MDR | Midterm Design Review | In English | |
| MDR | Minor Discrepancy Repair | In English | |
| MDR | Missing Data Report | In English | |
| MDR | Mission Data Reduction | In English | |
| MDRC | Mongolian Development Research Center | In English | → Research institutes → Development |
| MDRD | Mission Data Requirements Document | In English | |
| MDRS | Mars Desert Research Station | In English | → Astronomy → Astronautics |
| MDRS | Manufacturing Data Retrieval System | In English | |
| MDRS | Mission Data Retrieval System | In English | |
| MDS | Micro Detoxification System | In English | |
| MDS | Microspheres-Based Detoxification System | In English | |
| MDS | Magnetic Disk System | In English | → Computer hardware |
| MDS | Malfunction Detection System | In English | |
| MDS | Management Data System | In English | → Management |
| MDS | Master Development Schedule | In English | |
| MDS | Minimum Discernible Signal | In English | |
| MDS | Mission Development Simulator | In English | → Computer simulation |
| MDSD | Model Driven Software Development | In English | → Software |
| MDSD | Mate/Demate Stiff-Leg Derrick | In English | |
| MDSE | Manufacturing and Development Support Equipment | In English | |
| MDSS | Mission Data Support System | In English | |
| MDSSC | McDonnell Douglas Space Systems Corporation | In English | |
| MDST | Mission Director Support Team | In English | |
| MDST | Mission Disaster Support Team | In English | |
| MDT | Maintenance Demand Time | In English | → Maintenance and logistics |
| MDT | Mean Detonating Time | In English | |
| MDT | Mean Downtime | In English | |
| MDT | Measurement Descriptor Table | In English | |
| MDT | Mountain Daylight Time | In English | |
| MDU | Mission Data Unit | In English | |
| MDU | Market Developpement Unit | In English | → Economics |
| MDV | Map and Data Viewer | In English | |
| MDW | Military District of Washington | In English | → Military affairs → United States |
| ME | Main Engine | In English | → Vehicle engineering |
| ME | Management Engineering | In English | → Management → Engineering, technology |
| ME | Manufacturing Engineering | In English | → Engineering, technology |
| ME | Metallurgical Engineer | In English | → Metallurgy |
| ME | Miscellaneous Equipment | In English | |
| ME | Mission Evaluation | In English | |
| ME&D | Manufacturing Engineering and Development | In English | → Engineering, technology |
| MEA | Main Electronics Assembly | In English | → Electronics |
| MEA | Maintenance Engineering Analysis | In English | → Maintenance and logistics |
| MEA | Management Engineering Activity | In English | → Management |
| MEA-PPNCD | Machining and Electronic Packaging Optimization by Applications of Phase-Pure Nano-Crystalline Diamond | In English | |
| MEADS | Medium Extended Air Defence System | In English | → Military affairs → Military engineering |
| MeApp | Meteorological Applications | In English | → Serial publications, periodicals → Meteorology, climatology |
| MEAR | Maintenance Engineering Analysis Request | In English | → Maintenance and logistics |
| MEAR | Manufacturing Engineering Analysis Report | In English | → Engineering, technology |
| MEARC | Modern East Asia Research Centre | In English | → Research institutes → Area studies → Netherlands |
| MEAS | Middle Eastern and African Studies | In English | → Area studies |
| MEB | Main Electronics Box | In English | → Electronics |
| MEBA | Marine Engineers' Beneficial Association | In English | → Associations → 6295 |
| MEBA | Michigan Elk Breeders Association | In English | → Associations → Agricultural sciences |
| MEBO | Main Engine Burnout | In English | → Vehicle engineering |
| MEC | Middle East Center | In English | → Area studies |
| MEC | Middle East Center (for Peace, Culture, and Development) | In English | → Civilization, culture, progress → Development |
| MEC | Main Engine Controller | In English | → Vehicle engineering |
| MEC | Manual Emergency Control | In English | |
| MEC | Master Event Controller | In English | |
| MEC | Mission Events Controller | In English | |
| MECA | Main Engine Controller Assembly | In English | → Vehicle engineering |
| MECA | Missile Electronics Computer Assembly | In English | → Computer science → Electronics → Military engineering |
| MECACS | (Institute of) Middle East, Central Asia and Caucasus Studies | In English | → Area studies |
| MECAS | Mission Equipment Configuration Accounting System | In English | → Accounting |
| MECCA | Master Electrical Common Connector Assembly | In English | → Electrical engineering |
| MecEn | Mechanical Engineering | In English | → Serial publications, periodicals → Mechanical engineering |
| MECF | Main Engine Computational Facilities | In English | → Computer science → Vehicle engineering |
| MECLSI | Mission Equipment Configuration Launch Site Installation | In English | |
| MECO | Main Engine Cutoff | In English | → Vehicle engineering |
| MECO | Mekong Energy Company Limited | In English | → Energy economics → Electrical engineering |
| MECR | Maintenance Engineering Change Request | In English | → Maintenance and logistics |
| MECSLSI | Mission Equipment Cargo Shuttle Launch Site | In English | → Astronautics |
| MECSLSI | Mission Equipment Cargo Support Launch Site | In English | |
| MED | Manual Entry Device | In English | |
| MED | Momentum Exchange Device | In English | |
| MED | Multi-Effect Distillation | In English | → Environmental technology, water supply, waste management |
| MED | Mayall Engineering Database | In English | → Data → Astronomy |
| MEDCASE | Medical Care Support Equipment | In English | → Medicine |
| MEDDAC | Medical Department Activity | In English | → Medicine |
| MEDICS | Medical Information Computer System | In English | → Computer science → Medicine |
| MEDRA | Medical Dictionary for Drug Regulatory Activities | In English | → Dictionaries → Pharmacology, toxicology |
| MEDRC | Middle East Desalination Research Center (www.medrc.org) | In English | → Research institutes → Environmental technology, water supply, waste management → Chemical technology |
| MEDS | Mechanical Engineering Design System | In English | → Mechanical engineering |
| MEE | Mission-Essential Equipment | In English | |
| MEECN | Minimum Essential Emergency Communication Network | In English | → Networks, communication → Telecommunications |
| MEEI | Massachusetts Eye and Ear Infirmary (www.masseyeandear.org) | In English | → Surgery, orthopaedics, ophthalmology → Ophthalmology → United States |
| MEEI | Mar Elias Educational Institutions | In English | → Education |
| MEEI | Mechanical Engineering Energy Institute | In English | → Energy economics → Mechanical engineering |
| MeeRe | Kenneth Mees Observatory Reprints | In English | → Serial publications, periodicals → Astronomy |
| MEEREA | Malta Energy Efficiency & Renewable Energies Association | In English | → Associations → Energy economics → Malta |
| MEF | Myocyte Enhancer Factor | In English | → Biochemistry, biophysics |
| MEF | Malaysian Employers Federation | In English | → Organizations and associations → Labour, labour economics |
| MEF | Middle East Forum | In English | → Organizations and associations → Area studies |
| MEF | Mount Everest Foundation | In English | → Foundations |
| MEF | Managed Extensibility Framework (http://mef.codeplex.com) | In English | → Software |
| MEFE | Mission-Essential-Function Equipment | In English | |
| MEG | Magnetoencephalography | In English | → Neurology |
| MEGA | Mpumalanga Economic Growth Agency | In English | → 33972 |
| MEI | Middle East Institute | In English | → Area studies |
| MEI | Main Engine Ignition | In English | → Vehicle engineering |
| MEI | Master End Item | In English | |
| MEI | Mathematical Engineering Industry | In English | → Serial publications, periodicals → Mathematics → Engineering, technology |
| MEi:CogSci | Middle European interdisciplinary master programme in Cognitive Science | In English | → Social sciences |
| MEISP | Middle Eastern and Islamic Studies Program | In English | → Islam → Area studies |
| MEIU | Main Engine Interface Unit | In English | |
| MEJ | Middle East Journal | In English | → Serial publications, periodicals → Language, linguistics, literature → Geography, biography, history |
| MEJ | Middle Earth Journal | In English | → Serial publications, periodicals |
| MEJ | Music Educators Journal | In English | → Serial publications, periodicals → Education → Music |
| MEJ | (The) Middle East Journal | In English | → Serial publications, periodicals → Language, linguistics, literature → Geography, biography, history |
| MEK | Methylethyl Ketone | In English | → Chemical technology |
| MEK | Mission Equipment Kit | In English | |
| MEKF | Mission Equipment Kit Facility | In English | |
| MEL | Minimum Equipment List | In English | |
| MEL | Maya Embedded Language | In English | → Graphical processing → Image processing → Cinema, movies |
| MelAR | Melbourne Observatory Annual Report | In English | → Serial publications, periodicals → Astronomy |
| MELC | Mechanical Engineering Liaison Committee | In English | → Organizations and associations → Mechanical engineering |
| MELF | Metal ELectrical Face | In English | → Electrical engineering |
| MELI | Master Equipment List Index | In English | |
| MelOO | Melbourne Observatory Observations | In English | → Serial publications, periodicals → Astronomy |
| MELROSE | Mitsubishi Electric Road Traffic Simulation Environment | In English | → Computer simulation → Transport and postal services |
| MEM | Middle East Medievalists | In English | → Organizations and associations → History |
| MEM | Mars Excursion Module | In English | → Astronautics |
| MEM | Meteoroid Exposure Module | In English | → Astronomy → Astronautics |
| MEM | Mid-Deck Electronics Module | In English | → Electronics |
| MEM | Module Exchange Mechanism | In English | |
| MEMA | Meath Energy Management Agency | In English | → Energy economics |
| MEMC | Mission Essential Minor Construction | In English | → Civil engineering → Construction |
| MEMO | Montreal Esperanto Movement = MEMO | Mouvement Espéranto-Montréal | In French = MEMO | Montreala Esperanta Movado | In Esperanto |
In English | → Organizations and associations → Artificial languages (linguistics) → Canada |
| MEMP | Middle East Microform Project | In English | |
| MEMRI | Middle East Media Research Institute | In English | → Research institutes → Newspapers, journalism |
| MEMS | Micro-Electro-Mechanical System = MEMS | Mikro Elektro-Mekanik Sistem | In Turkish |
In English | → Mechanical engineering → Electrical engineering |
| MENA | Middle East and North Africa | In English | → Geography |
| MENARG | Middle East and North Africa Research Group | In English | → Organizations and associations → Social sciences → Area studies |
| MENBO | Mediterranean Network of Basin Organisations | In English | → 626 → 627 |
| MENIC | Middle East Network Information Centre | In English | → Libraries |
| MENS | Mission Element Needs Statement | In English | |
| MEO | Manufacturing Engineering Order | In English | → Engineering, technology |
| MEO | Mid Earth Orbit | In English | → Astronomy → Astronautics |
| MEOP | Maximum Expected Operating Pressure | In English | |
| MEP | Member of European Parliament | In English | → Parliaments, representation |
| MEP | Main Engine Propellant | In English | → Astronautics |
| MEP | Management Engineering Program | In English | → Management → Engineering, technology |
| MEP | Manipulator Engineering Panel | In English | |
| MEP | Mean Effective Pressure | In English | |
| MEP | Medium External Pressurized | In English | |
| MEP | Minimum Entry Point | In English | |
| MEPCOM | Military Enlistment Processing Command | In English | → Military affairs |
| MEPS | Military Entrance Processing Station | In English | → Military affairs |
| MER | Mission Evaluation Room | In English | |
| MeReC | Mechanics Research Communications | In English | → Serial publications, periodicals → Mechanics |
| MERIA | Middle East Review of International Affairs | In English | → Serial publications, periodicals → International relations → Geography, biography, history |
| MERIP | Middle East Research and Information Project | In English | → Research policy → Libraries |
| MERIT | Maastricht Economic Research Institute on Innovation and Technology | In English | → Research institutes → Economics → Research policy → Engineering, technology |
| MERL | Materials Engineering Research Laboratory | In English | → Research institutes → Materials science |
| MERL | Mitsubishi Electric Research Labs (www.merl.com) | In English | → Electrical engineering |
| MERO | Middle East Report Online | In English | → Serial publications, periodicals → Language, linguistics, literature → Geography, biography, history |
| MERSAT | Meteorology and Earth Observation Satellite | In English | → Astronautics → Earth sciences → Meteorology, climatology |
| MERSEA | Marine EnviRonment and Security for the European Area (www.mersea.eu.org) | In English | → Marine research, oceanography |
| MERT | Multi-Environment Real-Time | In English | → Operating systems |
| MERU | Milli-Earth Rate Unit | In English | |
| MES | Main Engine Start | In English | → Vehicle engineering |
| MES | Mated Elements Simulator | In English | |
| MES | Mated Events Simulator | In English | |
| MES | Mission Events Sequence | In English | |
| MES | Manufacturing Execution System | In English | → Engineering, technology |
| MESA | Middle East Studies Association | In English | → Associations → Area studies |