| Acronym | Sense | Language | Topics |
|---|---|---|---|
| LVS | Launch Vehicle System | In English | → Vehicle engineering |
| LVSG | Launch Vehicle Study Group | In English | → Vehicle engineering |
| LVSSTS | Launch Vehicle Safety System Test Set | In English | → Vehicle engineering |
| LVTC | Launch Vehicle Test Conductor | In English | → Vehicle engineering |
| LWBR | Light Water Breeder Reactor | In English | → Nuclear technology |
| LWCHWR | Light Water Cooled Heavy Water Reactor | In English | → Nuclear technology |
| LWD | Launch Window Display | In English | → Astronautics |
| LWGR | Light Water Cooled Graphite Reactor | In English | → Nuclear technology |
| M&C | Maintenance and Checkout | In English | → Maintenance and logistics |
| M&F | Manufacturing and Facilities | In English | → Maintenance and logistics |
| M&L | Maintenance and Logistics | In English | → Maintenance and logistics |
| M&M | Materials and Maintenance | In English | → Maintenance and logistics |
| M&O | Maintenance and Operations | In English | → Maintenance and logistics |
| M&R | Maintenance and Refurbishment | In English | → Maintenance and logistics |
| M&R | Maintenance and Repair | In English | → Maintenance and logistics |
| M&RF | Maintenance and Refurbishing Facility | In English | → Maintenance and logistics |
| M3AS | Mathematical Models and Methods in Applied Sciences | In English | → Serial publications, periodicals → Mathematics |
| M3E | Modélisation pour l'Énergie, l'Économie, l'Énvironnement | In French | → Economics → Threats to the environment → Energy economics |
| MA&T | Manufacturing Assembly and Test | In English | |
| MAA | Maximum Authorized Altitude | In English | → Aeronautics, aircraft |
| MAA | Missile Air-Air | In French | → Military engineering |
| MAAB | Materials Application Advisory Board | In English | → Materials science |
| MAAE | Mezinárodní agentura pro atomovou energii (www.iaea.org) = IAAE | Internacia Agentejo pri Atom-Energio | In Esperanto = IAEA | International Atomic Energy Agency | In English = AIEA | Agence Internationale de l'Énergie Atomique | In French = AIEA | Agenţia Internaţională pentru Energie Atomică | In Romanian = МААЕ | Международна агенция за атомна енергия | In Bulgarian = AIEA | Agència Internacional de l'Energia Atòmica | In Catalan = IAEA | Det Internationale Atomenergiagentur | In Danish = IAEO | Internationale Atomenergieorganisation | In German = OIEA | Organismo Internacional de Energía Atómica | In Spanish = סבא"א | הסוכנות הבינלאומית לאנרגיה אטומית | In Hebrew = IAEA | International Atomenergie Agence | In Letzeburgesh = AIEA | Agenzia Internazionale per l'Energia Atomica | In Italian = IAEA | अंतर्राष्ट्रीय परमाणु ऊर्जा अधिकरण | In Hindi = MAAE | Меѓународна агенција за атомска енергија | In Macedonian = МАГАТЭ | Международное агентство по атомной энергии | In Russian = AIEA | Agência Internacional de Energia Atómica | In Portuguese = MAEA | Międzynarodowa Agencja Energii Atomowej | In Polish = МАГАТЕ | Міжнародне агентство з атомної енергії | In Ukrainian = UAEA | Uluslararası Atom Enerji Ajansı | In Turkish = IAEA | สำนักงานพลังงานปรมาณูระหว่างประเทศ | In Thai = EANA | Energia Atomikoaren Nazioarteko Agentzia | In Basque |
In Czech | → International relations → Energy economics → Nuclear technology |
| MAAE | Меѓународна агенција за атомска енергија (www.iaea.org) = IAAE, IAEA, AIEA, МААЕ, IAEO, OIEA, סבא"א, МАГАТЭ, MAEA, МАГАТЕ, UAEA, EANA (look above) |
In Macedonian | → International relations → Energy economics → Nuclear technology |
| MAAG | Military Assistance Advisory Group | In English | → Military affairs → Military engineering |
| MAAIF | Mutuelle Assurance Automobile des Instituteurs de France | In French | → Insurance → Education → Automobile manufacturing → France |
| MAB | Materials Advisory Board | In English | → Materials science |
| MAB | Materials Applications Board | In English | → Materials science |
| MAB | Mechanical Automation Breadboard | In English | → Mechanical engineering |
| MAB | Missile Assembly Building | In English | → Military engineering |
| MAC | Military Airlift Command | In English | → Military engineering → Aeronautics, aircraft |
| MACE | Mechanical Antenna Control Electronics | In English | → Electronics |
| MACE | Missile And Control Equipment | In English | → Military engineering |
| MACO | Major Assembly Checkout | In English | |
| MACS | Modular Attitude Control System | In English | → Astronautics |
| MACSI | Modélisation, Analyse et Conduite des Systèmes Industriels | In French | → Computer-based techniques |
| MADCS | Modular Attitude Determination and Control System | In English | → Astronautics |
| MADE | Mise À Disposition de l'Énergie | In French | → Energy economics |
| MaDes | Machine Design | In English | → Serial publications, periodicals → Mechanical engineering |
| MADRE | Manufacturing Data Retrieval | In English | → Data |
| MAE | Międzynarodowa Agencja Energii[edytuj] = AIE | Agence Internationale de l'Énergie | In French = IEA | International Energy Agency | In English = IEA | Internationale Energieagentur | In German = МЭА | Международное энергетическое агентство | In Russian = IEA | Internationaal Energie Agentschap | In Dutch = IEA | 国際エネルギー機関 | In Japanese = AIE | Agencia Internacional de la Energía | In Spanish |
In Polish | → International relations → Energy economics |
| MAE | Mechanical and Aerospace Engineering | In English | → Mechanical engineering → Aeronautics, aircraft → Astronautics |
| MAEA | Międzynarodowa Agencja Energii Atomowej (www.iaea.org) = MAAE, IAAE, IAEA, AIEA, МААЕ, IAEO, OIEA, סבא"א, МАГАТЭ, МАГАТЕ, UAEA, EANA (look above) |
In Polish | → International relations → Energy economics → Nuclear technology |
| MAEP | Minimum Autoland Entry Point | In English | → Aeronautics, aircraft → Astronautics |
| MAEŚ | Malopolska Agencja Energii i Środowiska (www.maes.pl) | In Polish | → Energy economics → Poland |
| MAF | Mixed Amine Fuel | In English | → Vehicle engineering |
| MAGALI | Moyens Aixois de Gestion des Automobiles par Localisation Informatique | In French | → Automobile manufacturing → Transport and postal services |
| MAGIC | Missile Autoguidé d'Interception et de Combat | In French | → Military engineering |
| MAGNUC | MAGazine d'information sur le NUCléaire | In French | → Serial publications, periodicals → Nuclear technology |
| MAGSAT | Magnetometer Satellite | In English | → Astronautics → Physics → Earth sciences |
| MAI | Mécanique et Automatismes Industriels | In French | → Mechanical engineering |
| MAIF | Maryland Automobile Insurance Fund | In English | → Insurance → Automobile manufacturing |
| Mockup And Integration Laboratory | In English | → Research institutes → Mechanical engineering |
|
| MAL | Mobile Airlock | In English | → Aeronautics, aircraft → Astronautics |
| MAL | Model Assembly List | In English | |
| MALT | Model Assembly List Transmittal | In English | |
| MALTEN | Mise À La TErre du Neutre | In French | → Electrical engineering |
| MAN | Microwave Aerospace Navigation | In English | → Aeronautics, aircraft → Astronautics |
| MANTECH | Manufacturing Technology | In English | |
| MANTIS | MultimodAl NeTworks of In-situ Sensors | In English | → Networks, communication → Electronics |
| MAP | Manufacturing Automation Protocol | In English | |
| MAPS | Measurement of Air Pollution from Satellites | In English | → Environmental protection → Meteorology, climatology → Astronautics |
| MARAD | Maritime Administration (www.marad.dot.gov) | In English | → Central administration → 6295 → Transport and postal services |
| MaRBu | Materials Research Bulletin | In English | → Serial publications, periodicals → Materials science |
| MARIAT | MAîtrise des Risques Induits par l'Augmentation de la capacité de Transit | In French | → Electrical engineering |
| MARN | Mission d'Appui à la gestion du Risque Nucléaire | In French | → Nuclear technology → Accidents, risks, safety |
| MARS | Manned Astronautical Research Station | In English | → Research institutes → Astronautics |
| MARS | Modular Airborne Recorder System | In English | → Aeronautics, aircraft |
| MAS | Medium-Altitude Sensor | In English | → Aeronautics, aircraft → Astronautics |
| MASDC | Military Aircraft Storage and Disposition Center | In English | → Military engineering → Aeronautics, aircraft → Astronautics |
| MASSPO | Manned Spaceflight Support Project Office | In English | → Astronautics |
| MatEv | Materials Evaluation | In English | → Serial publications, periodicals → Materials science |
| MatL | Materials Letters | In English | → Serial publications, periodicals → Materials science |
| MatST | Materials Science Technology | In English | → Serial publications, periodicals → Materials science |
| MatTe | Matériaux et Techniques | In French | → Serial publications, periodicals → Materials science |
| MatTr | Materials Transactions | In English | → Serial publications, periodicals → Materials science |
| MAVOE | Magyar Vasútmodellezők es Vasútbarátok Országos Egyesülete | In Hungarian | → Organizations and associations → Entertainment → Rail transport engineering |
| MAWS | Missile Approach Warning System | In English | → Military engineering |
| MBAC | Marshall Booster Assembly Contractor | In English | → Astronautics |
| MBE | Marge Brute Énergies | In French | → Accounting → Energy economics |
| MBFP | Manufacturing Build and Flow Plan | In English | |
| MC | Machine Check | In English | |
| MC | Military Characteristic | In English | → Military engineering |
| MCA | Maximum Crossing Altitude | In English | → Aeronautics, aircraft → Astronautics |
| MCAE | Mechanical Computer Aided Engineering | In English | → Computer-based techniques → Mechanical engineering |
| MCAS | Maneuvering Characteristics Augmentation System | In English | → Aeronautics, aircraft |
| MCAT | Missile Carrier Air Transport | In English | → Military engineering → Aeronautics, aircraft |
| MCC | Main Combustion Chamber | In English | → Vehicle engineering |
| MCF | Military Computer Family | In English | → Computer hardware → Military engineering |
| MCFC | Molten-Carbonate Fuel Cell | In English | → Energy economics → Chemical technology |
| MCHC | Moto Club Haute-Corrèze | In French | → Organizations and associations → Vehicle engineering |
| MCL | Materials Center Leoben (www.mcl.at) | In English | → Research institutes → Materials science → Austria |
| MCL | Mass Cargo Lander | In English | → Vehicle engineering |
| MCLT | Maximum Cruise Level Thrust | In English | → Vehicle engineering |
| MCM | Multi Chip Module | In English | → Electronics |
| MCMS | Mechanics of Composite Materials and Structures | In English | → Serial publications, periodicals → Mechanics → Materials science |
| MCN | Mutuelle Cheminots Nord | In French | → Insurance → Rail transport engineering → Transport and postal services → France |
| MCP | Military Construction Program | In English | → Military engineering |
| MCP | Materials Chemistry and Physics | In English | → Serial publications, periodicals → Physics → Chemistry → Materials science |
| MCP | Mécanique Compacte Pilotée | In French | → Mechanical engineering |
| MCR | Molded Carrier Ring | In English | → Electronics |
| MCT | Maximum Climb Thrust | In English | → Aeronautics, aircraft → Astronautics |
| MCVP | Materials Control and Verification Program | In English | → Materials science |
| MD | Missile Defence | In English | → Military affairs → Military engineering |
| MDA | Manufacturing Design Analysis | In English | |
| MDA | Motor Drive Amplifier | In English | → Vehicle engineering |
| MDA | Minimum Detectable Activity | In English | → Nuclear technology |
| MDCS | Material Data Collection System | In English | → Data → Materials science |
| MDDS | Material Directory Data Sheet | In English | → Data → Materials science |
| MDE | Maîtrise de la Demande en Électricité | In French | → Energy economics → Electrical engineering |
| MDE | Modular Display Electronics | In English | → Electronics |
| MDE | Maîtrise de la Demande d'Énergie | In French | → Energy economics |
| MDF | Manipulator Development Facility | In English | → Electrical engineering |
| MDR | Mechanical Design Review | In English | → Mechanical engineering |
| MDRS | Mars Desert Research Station | In English | → Astronomy → Astronautics |
| ME | Main Engine | In English | → Vehicle engineering |
| ME | Management Engineering | In English | → Management |
| ME | Manufacturing Engineering | In English | |
| ME&D | Manufacturing Engineering and Development | In English | |
| MEA | Main Electronics Assembly | In English | → Electronics |
| MEADS | Medium Extended Air Defence System | In English | → Military affairs → Military engineering |
| MEAR | Manufacturing Engineering Analysis Report | In English | |
| MEB | Main Electronics Box | In English | → Electronics |
| MEBA | Marine Engineers' Beneficial Association | In English | → Associations → 6295 |
| MEBO | Main Engine Burnout | In English | → Vehicle engineering |
| MEC | Main Engine Controller | In English | → Vehicle engineering |
| MECA | Main Engine Controller Assembly | In English | → Vehicle engineering |
| MECA | Missile Electronics Computer Assembly | In English | → Computer science → Electronics → Military engineering |
| 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 |
| MECO | Main Engine Cutoff | In English | → Vehicle engineering |
| MECO | Mekong Energy Company Limited | In English | → Energy economics → Electrical engineering |
| MECSLSI | Mission Equipment Cargo Shuttle Launch Site | In English | → Astronautics |
| MED | Multi-Effect Distillation | In English | → Environmental technology, water supply, waste management |
| 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 | Ministère de l'Environnement et de l'Eau | In French | → Central administration → 5023 → Hydrology → 627, |
| MEEDDM | Ministère de l'Ecologie, de l'Énergie, du Développement Durable et de la Mer | In French | → Central administration → Environmental protection → Ecology → Energy economics → Fishing, hunting |
| MEEI | Magyar Elektrotechnikai Ellenőrző Intézetre | In Hungarian | → Electrical engineering → Hungary |
| MEEI | Mechanical Engineering Energy Institute | In English | → Energy economics → Mechanical engineering |
| MEEREA | Malta Energy Efficiency & Renewable Energies Association | In English | → Associations → Energy economics → Malta |
| MEHSG | Mise En et Hors Service Gaz | In French | → Energy economics |
| MEI | Main Engine Ignition | In English | → Vehicle engineering |
| MEI | Mathematical Engineering Industry | In English | → Serial publications, periodicals → Mathematics |
| MEK | Magyar Elektronikus Könyvtár | In Hungarian | → Electronics → Hungary |
| MELC | Mechanical Engineering Liaison Committee | In English | → Organizations and associations → Mechanical engineering |
| MELF | Metal ELectrical Face | In English | → Electrical engineering |
| MEM | Mars Excursion Module | In English | → Astronautics |
| MEM | Meteoroid Exposure Module | In English | → Astronomy → Astronautics |
| MEM | Mid-Deck Electronics Module | In English | → Electronics |
| MEMA | Meath Energy Management Agency | In English | → Energy economics |
| MEMC | Mission Essential Minor Construction | In English | → Civil engineering → Construction |
| MEMMS | Modélisation des Écosystemes Marins et Monitoring par Satellites | In French | → Threats to the environment → Marine research, oceanography → Astronautics |
| MEMS | Mikro Elektro-Mekanik Sistem = MEMS | Micro-Electro-Mechanical System | In English |
In Turkish | → Mechanical engineering → Electrical engineering |
| MEMS | Micro-Electro-Mechanical System = (look above) |
In English | → Mechanical engineering → Electrical engineering |
| MENBO | Mediterranean Network of Basin Organisations | In English | → 626 → 627 |
| MEO | Manufacturing Engineering Order | In English | |
| MEO | Mid Earth Orbit | In English | → Astronomy → Astronautics |
| MEP | Main Engine Propellant | In English | → Astronautics |
| MEP | Management Engineering Program | In English | → Management |
| MERCATOR | Mise En Réseau de la Cartographie Appliquée à la Typologie des Ouvrages et des Réseaux | In French | → Energy economics → Electrical engineering |
| MERIT | Maastricht Economic Research Institute on Innovation and Technology | In English | → Research institutes → Economics → Research policy |
| MERL | Materials Engineering Research Laboratory | In English | → Research institutes → Materials science |
| MERL | Mitsubishi Electric Research Labs (www.merl.com) | In English | → Electrical engineering |
| MERSAT | Meteorology and Earth Observation Satellite | In English | → Astronautics → Earth sciences → Meteorology, climatology |
| MES | Main Engine Start | In English | → Vehicle engineering |
| MES | Manufacturing Execution System | In English | |
| MESELSI | Mission Extension Shuttle Equipment Launch Site | In English | → Astronautics |
| MESELSI | Mission Extension Support Equipment Launch Site | In English | → Astronautics |
| MESSIAN | Methods for the Efficient Simulation of Aircraft engine Noise | In English | → Acoustics → Aeronautics, aircraft → Astronautics |
| MESSOC | Model Evaluation of Space Station Operations Cost | In English | → Prices → Astronautics |
| MET | Multielement Test | In English | |
| MET | Ministère (wallon) de l'Équipement et des Transports | In French | → Central administration → Civil engineering → Transport and postal services |
| METS | Multienvironment Test System | In English | |
| METVC | Main Engine Thrust Vector Control | In English | → Vehicle engineering |
| MEV | Mars Excursion Vehicle | In English | → Planets and satellites → Astronautics |
| MEV | Mass Excursion Vehicle | In English | → Vehicle engineering |
| MEWG | Maintenance Engineering Working Group | In English | → Maintenance and logistics |
| MFA | Manned Flight Awareness | In English | → Astronautics |
| MFBP | Manufacturing Flow and Build Plan | In English | |
| MFC | Manual Flight Control | In English | → Aeronautics, aircraft → Astronautics |
| MFC | Multiple-Flight Computer | In English | → Computer hardware → Aeronautics, aircraft → Astronautics |
| MFC | Multiple-Flight Controller | In English | → Aeronautics, aircraft → Astronautics |
| MFCS | Manual Flight Control System | In English | → Aeronautics, aircraft → Astronautics |
| MFF | MDM Flight Forward | In English | → Aeronautics, aircraft → Astronautics |
| MFH | Missile Flying Hours | In English | → Military engineering |
| MFI | Malmö flygindustri | In Swedish | → Astronautics |
| MFP | Mission Flight Plan | In English | → Aeronautics, aircraft → Astronautics |
| MFPA | Materialforschungs- und Prüfanstalt | In German | → Mathematics and natural sciences → Materials science |
| MFPE | Mission From Planet Earth | In English | → Astronomy → Astronautics |
| MFR | Maximum Flight Rate | In English | → Aeronautics, aircraft → Astronautics |
| MFSP | Macrofunction Signal Processor | In English | → Electronics → Telecommunications |
| MFT | Mean Flight Time | In English | → Aeronautics, aircraft → Astronautics |
| MFTAD | Master Flight Test Assignment Document | In English | → Aeronautics, aircraft → Astronautics |
| MFTIO | Minimum Flyout Time For Orbital Interception | In English | → Astronautics |
| MFV | Main Fuel Valve | In English | → Vehicle engineering |
| MG | Middle Gimbal | In English | → Astronautics |
| MG | Missile Guidance | In English | → Military engineering |
| MGA | Middle Gimbal Angle | In English | → Astronautics |