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This list contains acronyms, initialisms, and pseudo-blends that begin with the letter M.

For the purposes of this list:

acronym = an abbreviation pronounced as if it were a word, e.g., SARS = severe acute respiratory syndrome, pronounced to rhyme with cars
initialism = an abbreviation pronounced wholly or partly using the names of its constituent letters, e.g., CD = compact disc, pronounced cee dee
pseudo-blend = an abbreviation whose extra or omitted letters mean that it cannot stand as a true acronym, initialism, or portmanteau (a word formed by combining two or more words).

(a) = acronym, e.g.: SARS – (a) severe acute respiratory syndrome

(i) = initialism, e.g.: CD – (i) compact disc

(p) = pseudo-blend, e.g.: UNIFEM – (p) United Nations Development Fund for Women

(s) = symbol (none of the above, representing and pronounced as something else; for example: MHz – megahertz)

Some terms are spoken as either acronym or initialism, e.g., VoIP, pronounced both as voyp and V-O-I-P.

(Main list of acronyms)

m – (s) Metre – Milli
M – (s) Mega- – One thousand (in Roman numerals)

MA

mA – (s) Milliampere
Ma – (s) Megaannum
MA
- (s) Madagascar (FIPS 10-4 country code)
- (i) Marijuana Anonymous
- (i) Master of Arts
- Massachusetts (postal symbol)
- Megaampere
- Morocco (ISO 3166 digram)
MAA – (i) Mathematical Association of America
MAAC – (a) Metro Atlantic Athletic Conference
MAC
- (s) Macau (ISO 3166 trigram)
- (a) U.S. Military Airlift Command (1966–1992)
- Mid-American Conference
MACA – (i) Military Aid to the Civil Authorities
MACE – (a) Multi-Agent Computing Environment
MACHO – (p) MAssive Compact Halo Object
MAD
- (a) Magnetic Anomaly Detector
- (s) Moroccan dirham (ISO 4217 currency code)
- (a) Mutual Assured Destruction
MADD
- (a) Mothers Against Drunk Driving
- MyoAdenylate Deaminase Deficiency
- (p) Multiply–Add
MAF – (i) Maintenance Action Form
MAFF - (a) Ministry of Agriculture, Forestry and Fisheries (various countries)
MAGIC – (a) Major Atmospheric Gamma-ray Imaging Cherenkov (telescope)
MAGNETAR – (p) Metaprogrammable AGent NETwork ARchitecture
MAGTF – (i) Marine Air-Ground Task Force
mah – (s) Marshallese language (ISO 639-2 code)
Mahasz – (p) Magyar Hanglemezkiadók Szövetsége (Hungarian, "Association of Hungarian Record Companies")
mal – (s) Malayalam language (ISO 639-2 code)
MALD – (a) Miniature Air-Launched Decoy
MANPADS – (p) MAN-Portable Air Defence System
MANPRINT – (p) MANpower and PeRsonnel INTegration
MAO
- (i/a) Molėtų astronomijos observatorija (Moletai Astronomical Observatory)
- (p) MonoAmine Oxidase
MAOI – (p) Monoamine oxidase inhibitor
MAP – (a) Management Action Plan (Corporate phrase)
MAPP - (a) Medical Assistance Premium Program
MAPS – (a) Monitoring Avian Productivity and Survivorship
MAQS – (a) Museum of the American Quilter's Society ("max")
mar – (s) Marathi language (ISO 639-2 code)
MAR – (s) Morocco (ISO 3166 trigram)
MarBEF – (p) Marine Biodiversity and Ecosystem Functioning
MARC
- (a) MAchine Readable Cataloging (often also defined as MAchine Readable Code)
- Mailing list ARChive
- Maryland Area Regional Commuter train service
- Massachusetts Animal Rights Coalition
- Mid-America Regional Council
MARCENT – (p) United States Marine Forces Central Command
MARFORCC – (p) Marine Force Component Commander
MARINE (acronym) Muscles Are Required, Intelligence Not Evaluated- Used by Enlisted and Officer Ranks in the USMC
MARINES (acronym) My A** Rides In Navy Equipment, Sir! - Banter with Navy Personnel by Marines
MARRS – (a) Martyn Young, Alex Ayuli, Rudy Tambala, Russell Smith, and Steve Young (British electronic music act)
MAS – (i) NATO Military Agency for Standardization
MASAS – (a) Monte Agliale Supernovae and Asteroid Survey
Maser – (a) Microwave Amplification by Stimulated Emission of Radiation
MASH – (a) Mobile Army Surgical Hospital
MASINT – (p) Measurement And Signature Intelligence
MATREX – (p) Modeling Architecture for Technology, Research & EXperimentation
MATS – (a) U.S. Military Air Transport Service (1948–1966)
MAVS – (a/i) Mobile Artillery Vehicle System
MAW – (s) Malawi (IOC trigram, but not FIFA or ISO 3166)
MAX – (i) Meta-reasoning Architecture for "X"

MB

MB
- (s) Manitoba (postal symbol)
- Martinique (FIPS 10-4 territory code)
- Medal of Bravery (Canada)
MBA
- (i) Main Battle Area
- Main Belt Asteroid
- Master of Business Administration
MBI – (i) Moody Bible Institute
MBBL – (i) (U.S. Armor Center) Mounted Battlespace Battle Laboratory
MBCC – (i) Migratory Bird Conservation Commission (U.S.)
MBCS – (i) Multi-Byte Character Set
MBE
- (p) Member of the Order of the British Empire
- (i) Multistate Bar Examination (U.S.)
MBIDST – (i) Member of the British Institute of Dental and Surgical Technologists
MBM – (i) Meat and Bone Meal
MBR - (i) Master boot record
MbS – (i) Mohammad bin Salman (current crown prince of Saudi Arabia)
MBSE – (i) Model-based systems engineering
mbsf – metres below sea floor,^[1]^[2] a depth convention used in paleontology and oceanography
MBT – (i) Main Battle Tank
MBTA – (i) Massachusetts Bay Transportation Authority – Migratory Bird Treaty Act (U.S.)
MBTI – (i) Myers-Briggs Type Indicator

MC

mC – (s) Millicoulomb
MC
- (s) Macau (FIPS 10-4 territory code)
- (i) Master of Ceremonies
- (s) Megacoulomb
- (i) Military Cross (bravery award)
- (s) Monaco (ISO 3166 digram)
- (i) Mortar Carrier
- (s) Eleven Hundred (in Roman numerals)
MCA
- (i) Master of Computer Applications
- Micro Channel Architecture
- MultiChannel Analyzer
- Music Corporation of America, the original name of the now-defunct MCA Inc.
- (i) Malaysian Chinese Association
MCC
- (i) Marylebone Cricket Club
- Mission Control Center
- Motor Control Center
- Movement Control Centre
MCD
- (i) Minimal Cerebral Dysfunction
- Minor civil division (U.S. Census term)
MCDL – (i) Model Composition Definition Language
MCFT – (i) Modified Compression Field Theory
MCG – (i) Melbourne Cricket Ground
MC&G – (i) Mapping, Charting, and Geodesy
MCI – (i) Microwave Communications, Inc.
MCIS – (i) Mellon Collie and the Infinite Sadness
MCM – (i) Mine Counter-Measures
MCMV – (i) Mine Counter-Measure Vessel
MCNC
- (i) Microelectronics Center of North Carolina
- (i) Mixing Condensation Nucleus Counter
MCO
- (i) Major Combat Operation
- (s) Monaco (ISO 3166 trigram)
- (s) Orlando International Airport (IATA code)
- (i) Movement Control Officer
MCP
- (i) Maintenance Collection Point
- Male Chauvinist Pig
MCR – (i) My Chemical Romance
MCSF – (i) Marine Corps Security Forces
MCT – (i) Movement Control Team
MCTIS – (i) Mounted Co-operative Target Identification System
MCU
- (i) Marine Corps University
- Marvel Cinematic Universe
- Medium close-up (camera direction in British TV scripts)
- (p) Microcontroller unit
- (i) Milk clotting units
- Ming Chuan University
- Minimum coded unit (digital imaging)
- Multipoint control unit
- Municipal Credit Union (New York)
MCWS – (i) Men's College World Series, the final phase of the NCAA Division I baseball tournament in the US

MD

Md – (s) Mendelevium
MD
- (s) Fifteen Hundred (in Roman numerals)
- Maryland (postal symbol)
- (i) Medicinae Doctor (Doctor of Medicine/Medical Doctor)
- Mentioned in Dispatches (military)
- (s) Moldova (FIPS 10-4 country code; ISO 3166 digram)
MDA
- (i) Main Defensive Action/Area
- (s) Moldova (ISO 3166 trigram)
- (i) Muscular Dystrophy Association
MDF
- (i) Main distribution frame
- Medium-density fiberboard
MDG
- (s) Madagascar (ISO 3166 trigram)
- (i) UN Millennium Development Goal
MDL – (s) Moldovan leu (ISO 4217 currency code)
MDM
- (i) Michigan Dartmouth MIT telescope consortium
- Master data management
MDMA – (i) MethyleneDioxy-MethylAmphetamine (also known as "Ecstasy")
MDNA – (p) Madonna's 12th studio album title (2012)
MDO – (i) Membership Driven Organisation
MDP – (i) Markov Decision Process
MDT – (i) Mountain Daylight Time (UTC−6 hours)
MDS
MDV – (s) Maldives (ISO 3166 trigram)
MDW
- (s) Chicago Midway International Airport in Chicago (IATA airport code)
- (i) Military District of Washington
- (s) Minnesota, Dakota and Western Railway (AAR reporting mark)
- (i) Mother’s Day Weekend

ME

Me – (s) Messerschmitt
ME
- (s) Maine (postal symbol)
- (i) Mechanical engineer[ing]
- Medical examiner
- Middle East
- (s) Middle East Airlines (IATA code)
- (i) Memory Effect – Myalgic Encephalomyelitis
MEA
- (i) Maine Educational Assessment
- Middle East Airlines
- Millennium Ecosystem Assessment
- Minimum en route altitude
- Mono-ethanol Amine
- Multilateral Environmental Agreement
MEAC – (a) Mid-Eastern Athletic Conference (ME-ac)
MEC
- (s) Maine Central Railroad
- Manta, Ecuador (IATA location identifier)
- (i) Model European Council
- Mountain East Conference
- Mountain Equipment Co-op
MECC – (a) Minnesota Educational Computing Consortium (later Corporation, dissolved 1999)
MECCA – (a) Milwaukee Exposition Convention Center and Arena, a former name for the sports venue now known as UW–Milwaukee Panther Arena
MECO – (a) Main engine cutoff (NASA code for point in Space Shuttle ascent when three main engines are shut down prior to External Tank (ET) separation)
MEDEVAC – (p) Medical evacuation
MEDLI
- (a) Mars Science Laboratory Entry, Descent, and Landing Instrumentation
- (a) Medical & Scientific Libraries of Long Island
- (a) Model for Effluent Disposal using Land Irrigation
MEDS – (a) Mission Essential Data Set
MEF
- (i) U.S. Marine Expeditionary Force
- Minimum essential facility
- Mission essential force
MEG – (i) MagnetoEncephaloGraphy
MEI – (i) Matsushita Electric Industrial Co., Ltd.
MEK
- (i) Magyar Elektronikus Konyvtar
- Message encryption key
- (a) methyl ethyl ketone
- (p) Mujahideen al-Khalq
MEL
- (i) Maya Embedded Language
- Michigan Electronic Library
MELT – (a) Metallic Line/Loop Test (ing)
MEM
- (i) Message Exchange Mechanism
- (p) Microelectromechanical
MEMS – (p) Microelectromechanical System
MENA – (i/a) Middle East and North Africa ("MEE-na" or "MEH-na")
MEO
- (a) Medium Earth orbit
- Most efficient organization
MEP
- (i) Mechanical Electrical Plumbing
- Member of the European Parliament
- Missions étrangères de Paris (French for "Paris Foreign Missions")
- Model European Parliament
MER – (i) Mars Exploration Rover
MERL – (i) Mitsubishi Electric Research Laboratories
MES
- (i) Marconi Electronic Systems
- Medium Edison screw
MESSENGER – (p) MErcury Surface, Space ENvironment, GEochemistry and Ranging
MET
- (p) Meteorological
- (a) Middle European Time
METAR – (p) [Meteorological] Aviation Routine weather report
METL – (i/a) Mission Essential Task List ("mettle")
METOC – (p) Meteorological and Oceanographic
METT-T – (a/i) Mission, Enemy, Terrain, Troops, and Time available (mnemonic)
METT-TC – (a/i) Mission, Enemy, Terrain [and weather], Troops [and support], Time [available] and Civilian considerations (mnemonic)
MEU
- (i) U.S. Marine Expeditionary Unit
- Maximum Expected Utility
MeV – (s) Megaelectronvolt
MEV
- (i) Medical Evacuation Vehicle
- Musica Elettronica Viva
MEX – (s) Mexico (ISO 3166 trigram)
MEZ – (i) Missile Engagement Zone
MES – (a) Manufacturing Execution Systems

MF

mF – (s) Millifarad
MF
- (s) Mayotte (FIPS 10-4 territory code)
- Megafarad
- (a) Motherf***er (profanity)
MFG - (s) Manufacturing
MFSB – (i) Mother, Father, Sister, Brother (1970s Philadelphia studio musicians collective)
MFT
- (i) Managed file transfer
- Master File Table
- Mean field theory
- Media Foundation Transform
- Micro Four Thirds (camera design standard)

MG

mg – (s) Malagasy language (ISO 639-1 code) – Milligram
Mg – (s) Magnesium – Megagram
MG – (i) Machine Gun – (s) Madagascar (ISO 3166 digram) – (s) Major General – (s) Mongolia (FIPS 10-4 country code) – (i) Morris Garage
MGA – (s) Malagasy ariary (ISO 4217 currency code)
MGB – (i) Medium Girder Bridge, Motor Gun Boat
MGM – (i) Metro Goldwyn Mayer – (s) Montgomery, Alabama (Airport Code)
MGPAM – My Gym Partner's a Monkey
MGS – (i) Mobile Gun System

MH

mh – (s) Marshallese language (ISO 639-1 code)
mH – (s) Millihenry
MH
- (s) Marshall Islands (postal symbol; ISO 3166 digram)
- Megahenry
- Montserrat (FIPS 10-4 territory code)
- (s) Malaysia Airlines (IATA code)
MHC – (i) Major Histocompatibility Complex
MHEV – Micro-Hybrid Electric Vehicle
MHHW – (i) Mean Higher High Water (nautical charts)
MHL – (s) Marshall Islands (ISO 3166 trigram)
MHLW – (i) Mean Higher Low Water (nautical charts)
MHRA – (i) (UK) Medicines and Healthcare products Regulatory Agency
MHW – (i) Mean High Water (nautical charts)
MHWN – (i) Mean High Water Neaps (nautical charts)
MHWS – (i) Mean High Water Springs (nautical charts)
MHz – (s) Megahertz

MI

mi – (s) Māori language (ISO 639-1 code)
Mi – (s) Mebi
MI
- (s) Malawi (FIPS 10-4 country code)
- Michigan (postal symbol)
- Midway Islands (ISO 3166 digram; obsolete 1986)
- (i) Military Intelligence
MIA
- (i) Missing In Action
- Miami International Airport (IATA code)
MIAA
- (i) Maryland Interscholastic Athletic Association
- Massachusetts Interscholastic Athletic Association
- Michigan Intercollegiate Athletic Association
- Mid-America Intercollegiate Athletics Association
MIB
- (i) Men In Black
- Mint In Box (Internet auction/trading listings)
MIC
- (i) Military Industrial Complex
- (i) Malaysian Indian Congress
MICE – (a) Meetings, Incentives, Conferences, Exhibitions tourism
MICLIC – (p) Mine Clearing Line Charge
MICOM – (p) Missile Command
MICV – (i) Mechanised Infantry Combat Vehicle
MID – (s) Midway Islands (ISO 3166 trigram; obsolete 1986)
MIDI – (a) Musical Instrument Digital Interface
MIDAS – (a) Man-machine Integration Design and Analysis System
MIDS – (i) Multi-Function Information Distribution System
MIFC – (a) Military Industrial Financial Complex
MIFG – (s) Shallow Fog (METAR Code)
MIFPC – (a) Military Industrial Financial Pharmaceutical Complex
MIKE – (a) Monitoring of Illegal Killing of Elephants
MIL – (i) Man-In-the-Loop
MIL-AASPEM – (i) Man-In-the-Loop AASPEM
MILAN – (p) Missile d´infanterie léger antichar (French, "Anti-Tank Light Infantry Missile")
MiLB – (p) Minor League Baseball
MILC – (a) Mirrorless interchangeable-lens camera
MILES – (a) Multiple Integrated Laser Engagement System (live combat simulation)
MILF
- (i) Moro Islamic Liberation Front
- (a) Mother I'd Like to F**k
MILSATCOM – (p) Military Satellite Communications
MILSET – (a) Mouvement International pour le Loisir Scientifique Et Technique (French, "International Movement for Leisure Activities in Science and Technology")
MILSTRIP – (p) Military Standard Requisitioning and Issue Procedure DLMSO MILSTRIP Manual
Mimaropa – (p) Mindoro, Marinduque, Romblon, Palawan (a region in the Philippines)
MIMOSA – (a) MIcroMeasurements Of Satellite Acceleration
MIMPT – (i) Member of the Institute of Maxillofacial Prosthetists and Technologists
MIP
- (a) Multilateral Interoperability Programme
- Multiple Identity Poster
MIPC – (a) Military Industrial Pharmaceutical Complex
MIRA – (a) MILAN Infra-Red Acquisition (thermal sight)
MIRV – (a) Multiple Independent Reentry Vehicle
MIS
- (a) Management Information Systems
- Museum Information System
MISREP – (p) Mission Report
MISSI – (a) Multilevel Information System Security Initiative
MIT
- (i) Massachusetts Institute of Technology
- methylisothiazoline
- Milli Istihbarad Teskilati (Intelligence service of Turkey)
MITL – (i) Man-In-The-Loop
MITS – see entry

MJ

mJ – (s) Millijoule
MJ
- (s) Megajoule
- (i) Michael Jordan
- (i) Michael Jackson
- (i) Mary Jane Watson (Spider-Man character)
MJD – (i) Modified Julian Day
MJF – (i) Maxwell Jacob Friedman, American professional wrestler (who currently performs as "MJF")
MJP – (i) Military Judgement Panel

MK

mk – (s) Macedonian language (ISO 639-1 code)
mK – (s) Millikelvin
Mk - (s) Mark (US weapon designation), as in Mk 18 MOD 0 CQBR
MK
- (s) Air Mauritius (IATA code)
- Macedonia (ISO 3166 digram; FIPS 10-4 country code)
- (i) Mandalskameratene (Norwegian football club)
- (s) Megakelvin
- (i) Milton Keynes
- Missionary Kids
- Mortal Kombat (1992 video game)
- Mortal Kombat (2011 video game)
mkd – (s) Macedonian language (ISO 639-2 code)
MKD
- (s) Macedonian denar (ISO 4217 currency code)
- North Macedonia (ISO 3166 trigram)
MKG – (i) Michael Kidd-Gilchrist (American basketball player)
MKO – (i) Mojahedin-e-Khalq Organization (Persian, "People's Mujahedin of Iran")
MKS
- (i) Metre–Kilogram–Second (system of units)
- (p) MKS Inc. software company
MKSA – (i) Metre–Kilogram–Second–Ampere (system of units)
MKT
- (i) Missouri-Kansas-Texas Railroad (1865–1989)
- Mortal Kombat Trilogy
- Short form of Marketing

ML

ml – (s) Malayalam language (ISO 639-1 code)
mL – (s) Millilitre
ML
- (s) Mali (FIPS 10-4 country code; ISO 3166 digram)
- (i) Maximum Likelihood
- (s) Megalitre
MLA
- (i) Martial Law Administration of Bangladesh
- Master of Landscape Architecture
- Medical Library Association
- Member of Legislative Assembly
- Modern Language Association
- Mutual legal assistance treaty
- Myelosis Leucemica Acuta
MLB
- (i) Major League Baseball
- (s) Melbourne Orlando International Airport (IATA code)
MLC – (i) Member of the Legislative Council (in India)
MLE – (i) Maximum likelihood estimation
mlg – (s) Malagasy language (ISO 639-2 code)
MLG
- (i) Major League Gaming
- (i) Main Landing Gear
MLHW – (i) Mean Lower High Water (nautical charts)
MLI – (s) Mali (ISO 3166 trigram)
MLK – (i) Martin Luther King Jr.
MLL – (i) Major League Lacrosse
MLLW – (i) Mean Lower Low Water (nautical charts)
MLP – My Little Pony
MLR
- (i) Medical Loss Ratio
MLRS – (i) Multiple-Launch Rocket System
MLS
- (i) Major League Soccer
- Multiple Listing Service
- Multilevel security
MLSE
- (i) Maple Leaf Sports & Entertainment (owner of several Toronto-based sports teams)
- Maximum likelihood sequence estimation
MLSR – (i) Missing, Lost or Stolen Report
mlt – (s) Maltese language (ISO 639-2 code)
MLT – (s) Malta (ISO 3166 trigram)
MLVW – (i) Medium Logistics Vehicle, Wheeled
MLW
- (i) Major League Wrestling (American professional wrestling promotion)
- Mean Low Water (nautical charts)
MLWN – (i) Mean Low Water Neaps (nautical charts)
MLWS – (i) Mean Low Water Springs (nautical charts)

MM

mm – (s) Millimetre
Mm – (s) Megametre
MM – (i) Military Medal – (s) Myanmar (ISO 3166 digram) – Two Thousand (in Roman numerals)
MMA – (i) Mixed martial arts – Moving Mechanical Assembly
MMC – (p) Machinist's Mate, Chief (USN rating) – (i) Materiel Management Centre
MMCM – (p) Machinist's Mate, Master Chief (USN rating) – (i) Magnetic Mine Counter Measure
MMCS – (p) Machinist's Mate, Senior Chief (USN rating)
MMEV – (i) Multi-Mission Effects Vehicle
MMI – (i) Man-Machine Interface
MMI – (i) McLean Meditation Institute
MMIC – (i) Mindfulness & Meditation Instructor, Certified
MMIC – (i) McLean Meditation Institute Certified
MMI – (i) Magical MonkeyZ Inc.
MMIO – (i) Memory-mapped I/O
MMK – (s) Burmese kyat (ISO 4217 currency code)
MMO – (i) Massively Multiplayer Online (computer game)
MMOR – (i) Master of Management in Operations Research
MMORPG – (i) Massively multiplayer online role-playing game
MMPR – Mighty Morphin Power Rangers
MMR – (i) Measles, Mumps and Rubella vaccine – (s) Myanmar (ISO 3166 trigram)
MMS – (i) Multimission Modular Spacecraft
MMU – (i) Manchester Metropolitan University – (i) Manned Manoeuvring Unit
MMW – (p) Millimetre Wave (radar, from "mm Wave")

MN

mn – (s) Mongolian language (ISO 639-1 code)
mN – (s) Millinewton
Mn – (s) Manganese
MN – (s) Meganewton – Minnesota (postal symbol) – Monaco (FIPS 10-4 country code) – Mongolia (ISO 3166 digram)
MNB – (p) Multinational Brigade
MNB C – (p) Multinational Brigade Centre (KFOR)
MND – (i) Motor Neurone Disease – (p) Multinational Division
MNE – (s) Montenegro (ISO 3166 trigram)
MNG – (i) Multiple-image Network Graphics – (s) Mongolia (ISO 3166 trigram)
MNMF – (i) Multi-National Maritime Force
MNP – (s) Northern Mariana Islands (ISO 3166 trigram)
MNS – (i) Mission Needs Statement
MNT – (p) Molecular nanotechnology – (s) Mongolian tugrik (ISO 4217 currency code)

MO

mo – (s) Moldovan language (ISO 639-1 code)
Mo – (s) Molybdenum
MO – (s) Macau (ISO 3166 digram) – (i) Medical Officer – (s) Missouri (postal symbol) – (i) modus operandi (Latin, "mode of operation") – (s) Morocco (FIPS 10-4 country code) [mutual oral]
MOA – Museum of Art (Brigham Young University)
MOAB – (a) Massive Ordnance Air Blast (official) – Mother Of All Bombs (slang)
MOB – (i) Man Over Board – Marching Owl Band – Movable Object Block
MOC – (i) Macedonian Orthodox Church – Measure Of Capability – Mission Operations Centre – My Own Creation (Lego)
MOCAS – (a) Mechanization Of Contract Administration Services
MoD – (i) Ministry of Defence (United Kingdom) and various other countries
MOD – (i) Magneto-optical disc – Masters of Deception – Minimum Object Distance – Multiple Organ Dysfunction
MoDAF – (p) Ministry of Defence Architecture Framework ("moh-daff")
modem – (p) Modulator-Demodulator
ModSAF – (p) Modular Semi-Automated Forces (military simulation)
Moe – (a) Marvel of entertainment
MOE – (i) Measure Of Effectiveness
MOF – (a/i) Ministry of Finance (Japan)
MOFA – (a/i) Ministry of Foreign Affairs (Japan)
MOH – (a/i) Medal of Honor – Music On Hold
MOID – (i) Minimum Orbital Intersection Distance
MOJWA – (i) Movement for Oneness and Jihad in West Africa
mol – (s) Moldovan language (ISO 639-2 code) – mole (unit)
MOLO – (a) Mobile Other Licensed Operator (UK)
MoM – (a) Multiple of the median
MOM – (a) Message-oriented middleware
MOM – (a) Master's Degree in Oriental medicine
MoMA – (a) Museum of Modern Art (NYC)
mon – (s) Mongolian language (ISO 639-2 code)
MOND – (p) Modified Newtonian Dynamics
MOO – (i) Measure Of Outcome
MOOTW – (p) Military Operations Other Than War ("moot-double-you")
MOP – (s) Macau pataca (ISO 4217 currency code) – (i) Measure Of Performance
MOPE – (a) Ministry of Population and Environment (Nepal) – Most Oppressed People Ever (politics)
MOPP – (i/a) Mission-Oriented Protective Posture
MORP – (a) Meteorite Observation and Recovery Project
MORS – (i) Military Operations Research Society
MOS – (i) Military Occupational Specialty – (a) Mit Out Sound / Motor Only Sync – (i) Mobile Object System – Model Output Statistics – Multiplayer Online Services - (a) Mean Opinion Score
MOS-CQ - (a) Mean Opinion Score - Conversational Quality (ITU-T P.800.1)
MOS-LQ - (a) Mean Opinion Score - Listening Quality (ITU-T P.800.1)
MOSFET – (a) Metal-Oxide-Semiconductor Field-Effect Transistor
MOSS – (p) MObile Submarine Simulator – (a) Moving Object Support System
MOT – (i) Ministry of Transport (UK)
MOTA – (i) Member of the Orthodontic Technicians Association
MOTESS – (a) Moving Object and Transient Event Search System
MOTO – (a) Mail Order / Telephone Order – Master of the obvious
MOU – (i) Memorandum Of Understanding
MOUT – (i) Military Operations in Urban[ized] Terrain
MOVES – (a) Modeling, Virtual Environments, and Simulation Institute
MOW – (i) Maintenance of way (also MW)
MOZ – (s) Mozambique (ISO 3166 trigram)

MP

MP – (i) Magic points – (s) Mauritius (FIPS 10-4 country code) – (i) Member of Parliament – Military Police – Missouri Pacific – (s) Northern Mariana Islands (postal symbol; ISO 3166 digram)
mPa – (s) Millipascal
MPa – (s) Megapascal
MPA - Master of Public Administration
MPA – (i) Maritime Patrol Aircraft
MPAA – (i) Motion Picture Association of America
MPC – (i) Minor Planet Center – Minor Planet Circular
MPC – (i) Military Payment Certificate
MPEC – (i) Minor Planet Electronic Circular
MPEG – (a) Motion Pictures (Coding) Experts Group
MPEV – (i) Multi-Purpose Engineering Vehicle
MPF – (i) Maritime Prepositioning Force
MPFC – (i) Medial PreFrontal Cortex
MPG - (i) Miles Per Gallon
MPMC – (i) Medial PreMotor Cortex
MPSI – (i) Member of the Pharmaceutical Society of Ireland
MPSoC – (i) MultiProcessor System-on-Chip
MPSRON – (p) Maritime Propositioning Ship Squadron

MQ

MQ
- (s) Martinique (ISO 3166 digram) – Midway Islands (FIPS 10-4 territory code)
- (s) Multi-mission Unmanned Aerial Vehicle (US tri-service aircraft designator)

MR

mr – (s) Marathi language (ISO 639-1 code)
MR – (s) Mauritania (FIPS 10-4 country code; ISO 3166 digram)
- (i) Model Railroader Magazine
MR-ATGW – (i) Medium-Range Anti-Tank Guided Weapon
MRAV – (i) Multi-Role Armoured Vehicle
MRBM – (i) Medium Range Ballistic Missile
MRC – (i) Maintenance Requirements Card
MRD – (i) Motorized Rifle Division
MRE – (i) Meal Ready to Eat (U.S. military rations)
MRGO – (i) Mississippi River–Gulf Outlet Canal (also referred to as MR-GO or "Mr. Go")
MRGW – (i) Medium-range guided weapon
mri – (s) Māori language (ISO 639-2 code)
MRI – (i) Magnetic resonance imaging
MRL – (i) Multiple rocket launcher
- (i) Montana Rail Link
MRO
- (i) Maintenance, repair and operations
- Mars Reconnaissance Orbiter
- (s) Mauritanian ouguiya (ISO 4217 currency code)
MRPharmS – (i) Member of the Royal Pharmaceutical Society (Great Britain)
MRR – My Restaurant Rules
MRS – (i) Magnetic Resonance Spectroscopy
MRSA – (i/a) Methicillin-resistant Staphylococcus aureus (sometimes pronounced "MER-sa")
MRT
- (i) Mass Rapid Transit — used as either an official or unofficial name for metro systems in Singapore, Kaohsiung, Bangkok, Taipei, Chennai, and Delhi
- (s) Mauritania (ISO 3166 trigram)
MRTFB – (i) U.S. Major Range and Test Facility Base

MS

ms
- (s) Malay language (ISO 639-1 code)
- Millisecond
mS – (s) Millisiemens
Ms – (s) Megasecond
MS
- (i) mano sinistra (Latin, "left hand")
- (p) manuscript
- (i) Master of Science
- (s) Megasiemens
- (p) Microsoft (sometimes M$)
- (s) Mississippi (postal symbol)
- Montserrat (ISO 3166 digram)
- (i) Multiple Sclerosis
M&S
- (i) Modelling & Simulation
- Marks & Spencer
MSA – (s) Malay language (ISO 639-2 code)
MSB
- (i) Main Support Battalion
- Most Significant Bit (or Byte)
MSD – (i) Minimum Safe Distance
MSDB – (i) Multi Source Data Base
MSDE
- (i) Maryland State Department of Education
- (p) Microsoft Data[base] Engine
- Microsoft SQL Server 2000 Desktop Engine
- (i) Military Scenario Development Environment
- Mission Simulation Dynamic Engine
MSDL – (i) Military Scenario Definition Language
MSE – (i) Multiple Subscriber Element
MSFS - (i) Microsoft Flight Simulator (flight simulator series)
MSEC – (p) Message Security Encryption Code ("emm-sec")
MSG
- (i) MonoSodium Glutamate
- Madison Square Garden (either the 1879, 1890, 1925, or current versions of the venue)
MSH
- (i) Medium Support Helicopter
- Mount St. Helens
MSI
- (i) Micro-Star International
- (p) Multispectral imagery
MSIE
- (i) Microsoft Internet Explorer
- Master of Science in Industrial Engineering
MSL
- (i) Mars Science Laboratory
- Mean Sea Level
- (p) Missile
MSLP – (i) Mean Sea Level Pressure
MSM
- (p) Mainstream media
- (i) Men who have sex with men
- Mount St Mary's School
MSN
- (i) Microsoft Network
- Master of Science in Nursing
MSNBC – (i) Microsoft National Broadcasting Company Cable news channel (see also msnbc.com)
MSO – (i) Multiple System Operator
MSP
- Member of the Scottish Parliament
- (i) Minneapolis–Saint Paul - Twin cities in Minnesota
- (s) Minneapolis–Saint Paul International Airport (IATA code)
MSPA
- (p) Migrant and Seasonal worker Protection Act
- (a) MS Paint Adventures
MSPB – (i) Merit Systems Protection Board
MSR
- (i) Main Supply Route
- Module Service Record
- (s) Montserrat (ISO 3166 trigram)
- (i) Motor Schlepp Regulung
- Mountain Safety Research (outdoor supplies manufacturer)
MSSA
- Member of the Order of the Star of South Africa
- (i) Methicillin-susceptible Staphylococcus aureus
- (i) Military Selective Service Act
- (i) Military-style semi-automatic
- (i) Mind Sports South Africa
- (i) Montreal Student Space Associations
- MSSA Chemical Company, formerly known as Métaux Spéciaux.
MST
- (i) Madison Symmetric Torus
- Mountain Standard Time (UTC−7 hours)
- Maastricht Aachen Airport (IATA code)
MST3K or MST3k – (i) Mystery Science Theater 3000
MSU
- (i) Michigan State University
- Montana State University
- Mountain State University
- Lomonosov Moscow State University (Russia, a.k.a. MGU)

MT

mt – (s) Maltese language (ISO 639-1 code)
mT – (s) Millitesla
Mt – (s) Meitnerium
MT
- (s) Malta (FIPS 10-4 country code; ISO 3166 digram)
- Megatesla
- Montana (postal symbol)
- (i) Motor Transport (military)
MTA
- (i) Metropolitan Transportation Authority (Boston) (now Massachusetts Bay Transportation Authority)
- Metropolitan Transportation Authority
MTBF – (i) Mean time between failures
MtF – (i) Male-to-female transsexual
MTF
- (i) Magnetized target fusion
- Medical Treatment Facility
- Message Text Format
- Modulation transfer function (optics)
MTG – (i) Magic: The Gathering
MTL
- (s) Maltese lira (ISO 4217 currency code)
- (i) Mean Tide Level (nautical charts)* MTM – (i) Methods-Time Measurement
MTOE – (p) Modified Table of Organization and Equipment ("emm-toe")
MTP
- (i) Maritime Tactical Publication
- Materiel Transfer Plan
- Mission Training Plan
MTQ – (s) Martinique (ISO 3166 trigram)
MTR
- (i) Main and Tail Rotor (helicopter type)
- Mass Transit Railway (Hong Kong metro system)
- Military-Technological Revolution
MTS
- (i) Maintenance Training System
- Manitoba Telephone System and Manitoba Telecom Services, former names of Bell MTS
- Michigan Terminal/Timesharing System
- Movement Tracking System
- Multichannel television sound
- Multi-Technical Services
MTT – (p) Methylthiazol tetrazolium (assay)
MTU
- (i) Tankovei Mostoukladchik (Russian Танковый Мостоукладчик, "Tank Bridge-Layer") †
- (i) Motoren- und Turbinen-Union (German engine manufacturer, now split into MTU Friedrichshafen and MTU Aero Engines
MTV
- (i) MainosTeleVisio (Finnish commercial TV company)
- Music TeleVision
MTVL – (i) Mobile Tracked Vehicle, Light
MTWS – (i) MAGTF Tactical Warfare System

MU

MU
- (s) Mauritius (ISO 3166 digram)
- (s) Oman (FIPS 10-4 country code; from Muscat)
- Manchester United (British football club)
MUA
- (i) Meritorious Unit Award
- Military Utility Assessment
- (i) Make-up Artist
MUR – (s) Mauritius rupee (ISO 4217 currency code)
MUS – (s) Mauritius (ISO 3166 trigram)

MV

mV – (s) Millivolt
MV – (s) Maldives (FIPS 10-4 country code; ISO 3166 digram) – Megavolt – (i) Motor Vehicle – Motor Vessel
MVC – (i) Missouri Valley Conference
MVFC – (i) Missouri Valley Football Conference
MVNO – (i) Mobile virtual network operator
MVP – (i) Most Valuable Player
MVR – (s) Maldivian rufiyaa (ISO 4217 currency code)

MW

mW – (s) Milliwatt
MW
- (i) Maintenance of way (also MOW)
- (s) Malawi (ISO 3166 digram)
- (i) Medium Wave (radio)
- (s) Megawatt
- (i) Mountain West (Conference) (formal initialism since July 2011)
MWC
- (i) Maritime Warfare Centre (various nations)
- Mountain West Conference (still used informally, although the league has adopted "MW")
MWESH – (p) Machismo Wizards Extended SHelter (operating system)
MWI – (s) Malawi (ISO 3166 trigram)
MWK – (s) Malawian kwacha (ISO 4217 currency code)
MWOA – (i) Mount Wilson Observatory Association
MWR – (i) Morale, Welfare, and Recreation
MWTB - (a) Mounted Warfare Test Bed

MX

MX – (a) Mail Exchange – (s) Mexico (FIPS 10-4 country code; ISO 3166 digram) – (p) Missile eXperimental
MXN – (s) Mexican peso (ISO 4217 currency code)

MY

my – (s) Burmese language (ISO 639-1 code)
MY – (s) Malaysia (FIPS 10-4 country code; ISO 3166 digram)
mya – (s) Burmese language (ISO 639-2 code) – (i) million years ago
MYOB – (i) Mind Your Own Business
MYR – (s) Malaysian ringgit (ISO 4217 currency code)
MYS – (s) Malaysia (ISO 3166 trigram)
MYT – (s) Mayotte (ISO 3166 trigram)

MZ

MZ – (i) Mach-Zehnder (interferometer) – (s) Magnetic Azimuth – (i) Move, Zig (Zero Wing) – (s) Mozambique (FIPS 10-4 country code; ISO 3166 digram)
MZN – (s) Mozambique metical (ISO 4217 currency code)

References

^ Flood, Roger D.; Piper, D.J.W.; Klaus, A.; Peterson, L.C., eds. (1997). "Preface: Depth below seafloor conventions". Proceedings of the Ocean Drilling Program, Scientific Results. Proceedings of the Ocean Drilling Program. 155: 3. doi:10.2973/odp.proc.sr.155.200.1997. we follow Ocean Drilling Program (ODP) meters below seafloor (mbsf) convention
^ Parkes, R. John; Henrik Sass (2007). Sulphate-reducing Bacteria Environmental and Engineered Systems Edited by Larry L. Barton University of New Mexico. Cambridge University Press. pp. 329–358. doi:10.1017/CBO9780511541490.012. Retrieved 11 June 2010. metres below the seafloor (mbsf) {{cite book}}: |work= ignored (help)

[1] Flood, Roger D.; Piper, D.J.W.; Klaus, A.; Peterson, L.C., eds. (1997). "Preface: Depth below seafloor conventions". Proceedings of the Ocean Drilling Program, Scientific Results. Proceedings of the Ocean Drilling Program. 155: 3. doi:10.2973/odp.proc.sr.155.200.1997. we follow Ocean Drilling Program (ODP) meters below seafloor (mbsf) convention

[2] Parkes, R. John; Henrik Sass (2007). Sulphate-reducing Bacteria Environmental and Engineered Systems Edited by Larry L. Barton University of New Mexico. Cambridge University Press. pp. 329–358. doi:10.1017/CBO9780511541490.012. Retrieved 11 June 2010. metres below the seafloor (mbsf) {{cite book}}: |work= ignored (help)

[1]

[2]

@@ Line 66: / Line 66: @@
 * [[MARCENT]] – (p) [[United States Marine Forces Central Command]]
 * [[MARFORCC]] – (p) Marine Force Component Commander
+*[[MARINE]] (acronym) Muscles Are Required, Intelligence Not Evaluated- Used by Enlisted and Officer Ranks in the USMC
+*[[MARINES]] (acronym) My A** Rides In Navy Equipment, Sir! - Banter with Navy Personnel by Marines
 * [[MARRS]] – (a) '''M'''artyn Young, '''A'''lex Ayuli, '''R'''udy Tambala, '''R'''ussell Smith, and '''S'''teve Young (British electronic music act)
 * [[Mas (disambiguation)|MAS]] – (i) NATO [[Military Agency for Standardization]]
@@ Line 83: / Line 85: @@
 ** [[Martinique]] (FIPS 10-4 territory code)
 ** [[Medal of Bravery (disambiguation)|Medal of Bravery]] (Canada)
+* [[MBA (disambiguation)|MBA]]
-* MBA
 ** (i) Main Battle Area
 ** [[Main-belt asteroid|Main Belt Asteroid]]
@@ Line 217: / Line 219: @@
 * [[MEC (disambiguation)|MEC]]
 ** (s) [[Maine Central Railroad]]
-** Manta, Ecuador (IATA location identifier)
+** [[Eloy Alfaro International Airport|Manta, Ecuador]] (IATA location identifier)
 ** (i) [[Model European Council]]
 ** [[Mountain East Conference]]
@@ Line 223: / Line 225: @@
 * [[MECC]] – (a) [[Minnesota Educational Computing Consortium]] (later Corporation, dissolved 1999)
 * [[MECCA]] – (a) Milwaukee Exposition Convention Center and Arena, a former name for the sports venue now known as [[UW–Milwaukee Panther Arena]]
-* [[MECO (disambiguation)|MECO]] – (a) [[Main engine cutoff]] (NASA code for point in Space Shuttle assent when three main engines are shut down prior to External Tank (ET) separation)
+* [[MECO (disambiguation)|MECO]] – (a) [[Main engine cutoff]] (NASA code for point in Space Shuttle ascent when three main engines are shut down prior to External Tank (ET) separation)
 * [[MEDEVAC]] – (p) Medical evacuation
 * [[MEDLI (disambiguation)|MEDLI]]
@@ Line 289: / Line 291: @@
 ** [[Megafarad]]
 ** (a) Motherf***er (profanity)
-* [[MFG (disambiguation)|MFG]] - (s) Manufacturing
+* [[MFG (disambiguation)|MFG]] - (s) [[Manufacturing]]
 * [[MFSB]] – (i) Mother, Father, Sister, Brother (1970s Philadelphia studio musicians collective)
 * [[MFT (disambiguation)|MFT]]
@@ Line 304: / Line 306: @@
 * [[MGA (disambiguation)|MGA]] – (s) Malagasy [[ariary]] ([[ISO 4217]] currency code)
 * [[MGB (disambiguation)|MGB]] – (i) [[Medium Girder Bridge]], [[Motor gunboat|Motor Gun Boat]]
-* [[MGM]] – (i) [[Metro Goldwyn Mayer]] – (s) [[Montgomery, Alabama]] (Airport Code)
+* [[MGM (disambiguation)|MGM]] – (i) [[Metro Goldwyn Mayer]] – (s) [[Montgomery, Alabama]] (Airport Code)
 * [[MGPAM]] – ''[[My Gym Partner's a Monkey]]''
 * [[MGS (disambiguation)|MGS]] – (i) [[Mobile Gun System]]
@@ Line 317: / Line 319: @@
 ** (s) [[Malaysia Airlines]] (IATA code)
 * [[MHC (disambiguation)|MHC]] – (i) [[Major Histocompatibility Complex]]
-* MHEV – Micro-Hybrid Electric Vehicle
+* [[MHEV]] – Micro-Hybrid Electric Vehicle
 * [[MHHW]] – (i) Mean Higher High Water (nautical charts)
 * [[MHL (disambiguation)|MHL]] – (s) [[Marshall Islands]] (ISO 3166 trigram)
@@ Line 346: / Line 348: @@
 ** (i) [[Men In Black]]
 ** [[Mint condition|Mint]] In Box (Internet auction/trading listings)
-* MIBU -- Mr. Incredible Becoming Uncanny
 * [[MIC (disambiguation)|MIC]]
 ** (i) [[Military Industrial Complex]]
@@ Line 409: / Line 410: @@
 * [[Mk (disambiguation)|mk]] – (s) [[Macedonian language]] (ISO 639-1 code)
 * [[Mk (disambiguation)|mK]] – (s) [[Millikelvin]]
+* [[Mk (disambiguation)|Mk]] - (s) Mark (US weapon designation), as in [[Close Quarters Battle Receiver|Mk 18 MOD 0 CQBR]]
 * [[Mk (disambiguation)|MK]]
 ** (s) [[Air Mauritius]] ([[IATA]] code)
@@ Line 431: / Line 433: @@
 ** (i) [[Missouri-Kansas-Texas Railroad]] (1865–1989)
 ** [[Mortal Kombat Trilogy]]
+** Short form of [[Marketing]]
 ==ML==
@@ Line 447: / Line 450: @@
 ** [[Mutual legal assistance treaty]]
 ** [[Myelosis Leucemica Acuta]]
-* [[MLB]] – (i) [[Major League Baseball]]
+* [[MLB]]
+** (i) [[Major League Baseball]]
+** (s) [[Melbourne Orlando International Airport]] (IATA code)
 * [[MLC (disambiguation)|MLC]] – (i) [[Member of the Legislative Council]] (in India)
 * [[MLE (disambiguation)|MLE]] – (i) [[Maximum likelihood estimation]]
 * [[MLG (disambiguation)|mlg]] – (s) [[Malagasy language]] (ISO 639-2 code)
+* [[MLG (disambiguation)|MLG]]
+** (i) [[Major League Gaming]]
+** (i) [[Landing gear|Main Landing Gear]]
 * [[MLHW]] – (i) Mean Lower High Water (nautical charts)
 * [[MLI (disambiguation)|MLI]] – (s) [[Mali]] (ISO 3166 trigram)
@@ Line 473: / Line 481: @@
 * [[MLW (disambiguation)|MLW]]
 ** (i) [[Major League Wrestling]] (American professional wrestling promotion)
-** Mean Low Water (nautical charts)
+** [[Mean low water|Mean Low Water]] (nautical charts)
 * [[MLWN]] – (i) Mean Low Water [[Neap tide|Neaps]] (nautical charts)
 * [[MLWS]] – (i) Mean Low Water [[Spring tide|Springs]] (nautical charts)
@@ Line 498: / Line 506: @@
 * [[MMPR (disambiguation)|MMPR]] – ''[[Mighty Morphin Power Rangers]]''
 * [[MMR (disambiguation)|MMR]] – (i) [[Measles]], [[Mumps]] and [[Rubella]] [[MMR vaccine|vaccine]] – (s) [[Myanmar]] (ISO 3166 trigram)
-* [[MMS (disambiguation)|MMS]] – (i) Multimission Modular Spacecraft
+* [[MMS (disambiguation)|MMS]] – (i) [[Multi-mission Modular Spacecraft|Multimission Modular Spacecraft]]
 * [[MMU (disambiguation)|MMU]] – (i) [[Manchester Metropolitan University]] – (i) [[Manned Maneuvering Unit|Manned Manoeuvring Unit]]
 * [[MMW (disambiguation)|MMW]] – (p) [[Millimetre Wave]] (radar, from "mm Wave")
@@ Line 546: / Line 554: @@
 * [[Mon (disambiguation)|mon]] – (s) [[Mongolian language]] (ISO 639-2 code)
 * [[MOND]] – (p) [[Modified Newtonian Dynamics]]
-* [[MOO]] – (i) Measure Of Outcome
+* [[MOO (disambiguation)|MOO]] – (i) Measure Of Outcome
 * [[MOOTW]] – (p) Military Operations Other Than War ("moot-double-you")
 * [[MOP (disambiguation)|MOP]] – (s) Macau [[Macanese pataca|pataca]] ([[ISO 4217]] currency code) – (i) Measure Of Performance
@@ Line 589: / Line 597: @@
 ==MQ==
-* [[MQ (disambiguation)|MQ]] – (s) [[Martinique]] (ISO 3166 digram) – [[Midway Islands]] (FIPS 10-4 territory code)
+* [[MQ (disambiguation)|MQ]]
+** (s) [[Martinique]] (ISO 3166 digram) – [[Midway Islands]] (FIPS 10-4 territory code)
+** (s) Multi-mission Unmanned Aerial Vehicle [[1962 United States Tri-Service aircraft designation system|(US tri-service aircraft designator)]]
 ==MR==
@@ Line 652: / Line 662: @@
 * [[MSDL]] – (i) Military Scenario Definition Language
 * [[MSE (disambiguation)|MSE]] – (i) Multiple Subscriber Element
+* [[Microsoft Flight Simulator|MSFS]] - (i) Microsoft Flight Simulator (flight simulator series)
 * [[MSEC]] – (p) Message Security Encryption Code ("emm-sec")
 * [[MSG (disambiguation)|MSG]]
@@ Line 674: / Line 685: @@
 ** (i) [[Men who have sex with men]]
 ** [[Mount St Mary's School]]
-* [[MSN]]
+* [[MSN (disambiguation)|MSN]]
 ** (i) [[Microsoft Network]]
 ** [[Master of Science in Nursing]]
 * [[MSNBC]] – (i) [[MSNBC|Microsoft National Broadcasting Company]] Cable news channel (see also [[msnbc.com]])
 * [[MSO (disambiguation)|MSO]] – (i) [[Multiple system operator|Multiple System Operator]]
+* [[MSP (disambiguation)|MSP]]
-* [[Member of the Scottish Parliament|MSP]] - Member of the Scottish Parliament
+** [[Member of the Scottish Parliament]]
+** (i) [[Minneapolis–Saint Paul]] - Twin cities in Minnesota
+** (s) [[Minneapolis–Saint Paul International Airport]] (IATA code)
 * [[MSPA (disambiguation)|MSPA]]
 ** (p) [[Migrant and Seasonal Agricultural Workers Protection Act of 1983|Migrant and Seasonal worker Protection Act]]
@@ Line 701: / Line 715: @@
 ** (i) [[Madison Symmetric Torus]]
 ** [[Mountain Time Zone|Mountain Standard Time]] (UTC−7 hours)
+** [[Maastricht Aachen Airport]] (IATA code)
 * [[MST3K]] or MST3k – (i) ''[[Mystery Science Theater 3000]]''
 * [[MSU (disambiguation)|MSU]]
@@ Line 749: / Line 764: @@
 ** [[Multi-Technical Services]]
 * [[MTT (disambiguation)|MTT]] – (p) [[Methylthiazol tetrazolium]] (assay)
-* [[MTU (disambiguation)|MTU]] – (i) ''Tankovei Mostoukladchik'' (Russian Танковый Мостоукладчик, "Tank Bridge-Layer") [https://web.archive.org/web/20080227010804/http://www.milparade.com/Soderzhaniye.pdf †]
+* [[MTU (disambiguation)|MTU]]
+** (i) ''Tankovei Mostoukladchik'' (Russian Танковый Мостоукладчик, "Tank Bridge-Layer") [https://web.archive.org/web/20080227010804/http://www.milparade.com/Soderzhaniye.pdf †]
+** (i) Motoren- und Turbinen-Union (German engine manufacturer, now split into [[MTU Friedrichshafen]] and [[MTU Aero Engines]]
 * [[MTV (disambiguation)|MTV]]
 ** (i) ''[[Mainostelevisio|MainosTeleVisio]]'' (Finnish commercial TV company)
@@ Line 757: / Line 774: @@
 ==MU==
-* [[MU (disambiguation)|MU]] – (s) [[Mauritius]] (ISO 3166 digram) – [[Oman]] (FIPS 10-4 country code; from ''Muscat'')
+* [[MU (disambiguation)|MU]]
+** (s) [[Mauritius]] (ISO 3166 digram)
+** (s) [[Oman]] (FIPS 10-4 country code; from ''Muscat'')
+** [[Manchester United F.C.|Manchester United]] (British football club)
-* [[MUA (disambiguation)|MUA]] – (i) [[Meritorious Unit Award]] – Military Utility Assessment
+* [[MUA (disambiguation)|MUA]]
+** (i) [[Meritorious Unit Award]]
+** Military Utility Assessment
+** (i) [[Make-up artist|Make-up Artist]]
 * [[Mur (disambiguation)|MUR]] – (s) Mauritius [[rupee]] ([[ISO 4217]] currency code)
 * [[Mus (disambiguation)|MUS]] – (s) [[Mauritius]] (ISO 3166 trigram)