M - Abbreviations list
 m
em dash | magnetic moment | maiden (over) | male | married | masculine | mass | medium | metre | mile | milli- | million | minute | month | mutual inductance
 M
em dash | Majesty | male | Manitoba | mass | Master | medieval | medium | mega- | Member | middle | middle term | million | molar | Monday | Monsieur | motorway | mountain
 M8
mate
 mA
milliampere
 MA
Massachusetts | Master of Arts | maternity allowance | mental age | Military Academy
 MAAG
medical audit advisory group
 MAB
Man and the Biosphere (programme)
 MAC
maximum allowable concentration | media access control | multiplexed analogue component
 Mac.
Maccabees
 Macc.
Maccabees
 MAD
major affective disorder | mutual assured destruction
 MAFF
Ministry of Agriculture, Fisheries, and Food
 mag.
magazine | magnesium | magnet | magnetic | magnetism | magnitude | magnum
 maj.
major
 Maj.
Major
 Maj. Gen.
Major General
 Mal.
Malachi | Malay | Malayan | Malaysia | Malaysian
 MAN
metropolitan area network
 man.
manual
 Man.
Manila (paper) | Manitoba
 M & A
mergers and acquisitions
 manuf.
manufacture | manufactured | manufacturer | manufacturing
 MAO
monoamine oxidase
 MAOI
monoamine oxidase inhibitor
 MAR
memory address register
 mar.
maritime | married
 Mar.
March
 MArch
Master of Architecture
 March.
Marchioness
 marg.
margin | marginal
 Marq.
Marquess | Marquis
 masc.
masculine
 MASH
mobile army surgical hospital
 masint
materials intelligence
 mat.
matinée
 math.
mathematical | mathematically | mathematician | mathematics
 MATV
master antenna television
 MAU
multistation access unit
 max.
maximum
 may’ve
may have
 mb
millibar
 Mb
megabit
 MB
Bachelor of Medicine | Medal of Bravery | megabyte | message board
 MBA
Master of Business Administration
 MBE
Member of the Order of the British Empire
 MBI
management buyin
 MBO
management buyout | management by objectives
 MBps
megabits per second | megabytes per second
 MBR
memory buffer register
 MBWA
management by walking around
 Mbyte
megabyte
 mc
millicurie | Monaco
 MC
master of ceremonies | Medical Corps | Midheaven | Military Cross
 MCA
media control architecture | merchant certificate authority
 MCC
Marylebone Cricket Club
 MCG
Melbourne Cricket Ground
 MCh
Master of Surgery
 MCom
Master of Commerce
 MCP
male chauvinist pig | master control program
 MCPP
mecoprop
 MCT
mainstream corporation tax
 MCU
micturating cysto-urethrogram
 MCUG
micturating cysto-urethrogram
 md
Moldova
 Md
mendelevium
 MD
Doctor of Medicine | mailed | managing director | Maryland | memorandum of deposit | minidisc | muscular dystrophy | musical director
 m/d
months after date
 MDA
monochrome display adapter
 MDF
medium density fibreboard
 MDiv
Master of Divinity
 MDMA
methylenedioxymethamphetamine
 MDR
memory data register
 MDS
Master of Dental Surgery
 mdse
merchandise
 Me
methyl
 ME
Maine | mechanical engineer | Methodist Episcopal | Middle English | mining engineer | Most Excellent | myalgic encephalomyelitis
 meas.
measure | measurement
 MEC
marginal efficiency of capital
 mech.

mechanical | mechanics | mechanism

 MEcon
Master of Economics
 MEd
Master of Education
 med.
medical | medicine | medieval | medium
 Medit.
Mediterranean
 mem.
member | memoir | memorandum | memorial
 MEMS
micro-electromechanical system
 Mencap
a UK charity for people with learning disabilities
 MEng
Master of Engineering
 MEP
Master of Engineering Physics | Member of the European Parliament
 mer.
meridian
 MES
minimum efficient scale
 Met
Meteorological (Office) | Metropolitan Opera House (in New York) | Metropolitan Police
 met.
metallurgy | metaphor | metaphysics | meteorological | meteorology | metropolitan
 metal.
metallurgical | metallurgy
 metall.
metallurgical | metallurgy
 meteor.
meteorology
 meteorol.
meteorology
 Meth.
Methodist
 MeV
million electron volts
 Mex.
Mexican | Mexico
 MEY
maximum economic yield
 mf
mezzo forte
 mF
millifarad
 MF
medium frequency | Middle French
 M/F
male or female
 MFA
Master of Fine Arts
 mfd
manufactured
 mfg
manufacturing
 MFM
modified frequency modulation
 MFN
most favoured nation
 mfr
manufacturer
 mfr.
manufacture
 MFS
Macintosh filing system
 mg
Madagascar | milligram
 Mg
magnesium
 MG
machine gun | Major General
 MGB
Ministerstvo Gosudarstvennoi Bezopasnosti
 mgmt
management
 mgr
manager
 Mgr
Monseigneur | Monsignor
 mgt
management
 mh
Marshall Islands
 mH
millihenry
 MH
Marshall Islands | mental health
 MHA
Member of the House of Assembly
 MHC
major histocompatibility complex
 MHD
magnetohydrodynamics
 MHG
Middle High German
 MHL
Master of Hebrew Literature
 MHz
megahertz
 MI
Michigan | Military Intelligence | mitral incompetence | myocardial infarction
 mi.
mile
 MIA
missing in action
 MIC
methyl isocyanate
 Mic.
Micah
 Mich.
Michaelmas
 mid.
middle
 Mid.
Midshipman
 Middx
Middlesex
 MIDI
musical instrument digital interface
 MiG
a high-speed high-altitude fighter aircraft built in Russia
 MIG
Minimum Income Guarantee | mortgage indemnity guarantee
 MIGA
Multilateral Investment Guarantee Agency
 mightn’t
might not
 might’ve
might have
 mil
military organization
 mil.
military | militia
 milit.
military
 MIME
Multipurpose Internet Mail Extensions
 min.
mineralogical | mineralogy | minim | minimum | mining | minister | minor | minute
 Min.
Minister | Ministry
 MING
mailing
 MIP
marine insurance policy | monthly investment plan
 MIPS
meaningless information per second | million instructions per second
 MIRAS
mortgage interest relief at source
 MIRV
multiple independently targeted re-entry vehicle
 MIS
management information service | management information system
 misc.
miscellaneous | miscellany
 MI-SET
merchant-initiated secure electronic transactions
 Miss.
Mission | Missionary
 MIT
market if touched | Massachusetts Institute of Technology
 MIU
minor injuries unit
 MJPEG
motion JPEG
 mk
Macedonia | mark | markka
 Mk
Mark | mark
 MKDIR
make directory
 mks
metre-kilogram-second
 mksA
metre-kilogram-second-ampere
 mkt
market
 mktg
marketing
 ml
Mali | mile | millilitre
 mL
millilambert
 ML
more later
 M-L
malolactic (fermentation)
 MLA
Master of Landscape Architecture | Member of the Legislative Assembly | Modern Language Association
 MLD
minimum lethal dose
 MLF
multilateral (nuclear) force
 MLG
Middle Low German
 MLitt
Master of Letters
 Mlle
the French equivalent of Miss
 Mlles
the plural of Mademoiselle (Mlle)
 MLR
minimum lending rate | multiple-launch rockets
 MLSO
medical laboratory scientific officer
 mm
millimetre | Myanmar
 MM
Monsieur (M) | Military Medal
 MMC
Monopolies and Mergers Commission
 MMDA
money market deposit account
 MMDS
multipoint microwave distribution system
 Mme
the French equivalent of Mrs.
 Mmes
the plural of Madame (Mme)
 mmf
magnetomotive force | make money fast
 mmHg
millimetre of mercury
 MMI
man-machine interface
 MMM
Member of the Order of Military Merit
 mmol
millimole
 MMP
Mixed Member Proportional
 MMPI
Minnesota Multiphasic Personality Inventory
 MMR
measles, mumps, rubella (vaccine)
 MMS
multimedia messaging service
 MMU
memory management unit
 MMus
Master of Music
 mn
Mongolia
 Mn
manganese
 MN
magnetic north | Merchant Navy | Minnesota
 MNA
Member of the National Assembly (of Quebec)
 MNC
Mother Nature calls | multinational company (or corporation)
 MND
motor neurone disease
 MNE
multinational enterprise
 mngr
manager
 Mo
molybdenum
 MO
magneto-optical | mail order | medical officer | Missouri | modus operandi | money order
 mo.
month
 m.o.
mail order | modus operandi | money order
 MoD
Ministry of Defence
 MOD
modulus
 mod.
moderate | moderato | modern
 modif.
modification | modifier
 MODS
multiple organ dysfunction syndrome
 MOF
male or female | multi-organ failure
 MOH
Medical Officer of Health
 MOI
Ministry of Information
 mol
mole
 mol.
molecular | molecule
 mol. wt
molecular weight
 m.o.m.
middle of the month
 MOMI
Museum of the Moving Image
 mon.
monastery | monetary
 Mon.
Monday | Monsignor
 MONEP
Marché des Options Négociables de Paris
 MOO
multi-user domain, object-oriented
 MOP
millionaire on paper
 MOPP
Mission Oriented Protective Posture
 MOR
middle-of-the-road
 mor.
morocco (leather)
 Mor.
Moroccan | Morocco
 MORF
male or female
 MORI
Market and Opinion Research Institute
 morph.
morphological | morphology
 morphol.
morphological | morphology
 MOS
metal oxide semiconductor
 mos.
months
 MOSFET
metal oxide semiconductor field effect transistor
 MOT
Ministry of Transport
 MOTAS
member of the appropriate sex
 MOTD
message of the day
 MOTOS
member of the opposite sex
 MOTSS
member of the same sex
 mouse
minimum orbital unmanned satellite of the Earth
 MOW
Ministry of Works
 MOX
a reactor fuel made from plutonium that has been separated from spent nuclear fuel by chemical reprocessing and mixed with natural or depleted uranium
 Moz.
Mozambique
 mp
melting point | mezzo piano
 MP
Member of Parliament | Metropolitan Police | military police | mounted police
 MP3
Moving Picture Experts Group, Audio Layer 3
 MPA
Master of Public Administration
 MPC
marginal propensity to consume | Monetary Policy Committee
 MPD
multiple personality disorder
 MPEG
Moving Picture Experts Group
 mpg
miles per gallon
 MPG
main professional grade
 mph
miles per hour
 MPhil
Master of Philosophy
 MPM
marginal propensity to import
 MPP
maternity pay period
 MPS
marginal propensity to save | Member of the Pharmaceutical Society | microprocessor system
 MPT
marginal propensity to tax
 MPU
microprocessor unit
 MPV
multipurpose vehicle
 mq
Martinique
 mr
Mauritania
 MR
Master of the Rolls
 MRBM
medium-range ballistic missile
 MRC
Medical Research Council
 MRCA
multirole combat aircraft
 MRCGP
Member of the Royal College of General Practitioners
 MRCP
Member of the Royal College of Physicians
 MRCS
Member of the Royal College of Surgeons
 MRCVS
Member of the Royal College of Veterinary Surgeons
 MRE
meal, ready to eat
 MRI
magnetic resonance imaging
 MRIA
Member of the Royal Irish Academy
 MRL
maximum residue level
 mRNA
messenger RNA
 MRP
manufacturer’s recommended price
 MRS
marginal rate of substitution
 MRSA
methicillin-resistant Staphylococcus aureus
 MRSC
Member of the Royal Society of Chemistry
 ms
millisecond | Montserrat
 MS
manuscript | Master of Surgery | Mississippi | mitral stenosis | more (of the) same | motor ship | multiple sclerosis | sacred to the memory of
 m/s
metres per second
 MSB
most significant bit | mutual savings bank
 MSc
Master of Science
 MS-DOS
Microsoft Disk Operating System
 msec
millisecond
 MSF
Manufacturing, Science, Finance (Union)
 MSG
monosodium glutamate
 msg.
message
 Msgr
Monseigneur | Monsignor
 MSH
melanocyte-stimulating hormone
 MSI
medium scale integration
 MSP
Member of the Scottish Parliament
 MSS
manuscripts
 MST
Mountain Standard Time
 MSU
midstream specimen of urine
 mSv
millisievert
 MSX
Microsoft Extended
 MSY
maximum sustainable yield
 mt
Malta | mount
 Mt
Matthew | meitnerium | Mount | Mountain
 MT
megaton | metric ton | Montana | Mountain Time
 mt.
megaton | mountain
 MTA
mail transfer agent
 MTB
motor torpedo boat
 MTBE
methyl tertiary-butyl ethyl
 MTBF
mean time between failures
 MTCE
million tonnes of coal equivalent
 MTech
Master of Technology
 MTF
mean time to failure
 MTFS
Medium-Term Financial Strategy
 mtg
meeting
 mtg.
mortgage
 MTM
methods-time measurement
 mtn
mountain
 Mt Rev.
Most Reverend
 mts
mountains | mounts
 MTTR
mean time to repair
 mu
Mauritius
 MU
Mothers’ Union | multiuser (online space) | Musicians’ Union
 MUA
mail user agent
 MUD
multiuser domain
 mus.
museum | music | musical | musician
 MusB
Bachelor of Music
 MusD
Doctor of Music
 MusM
Master of Music
 mustn’t
must not
 MUX
multiplexer
 mv
Maldives | mezza voce
 mV
millivolt
 MV
market value | mean variation | megavolt | merchant vessel | motor vessel | muzzle velocity
 MVA
market value added | market value adjuster
 MVD
Ministerstvo vnutrennikh dyel
 MVO
Member of the Royal Victorian Order
 MVP
minimum viable population | most valuable player (award)
 MVS
Master of Veterinary Surgery
 MVSc
Master of Veterinary Science
 mw
Malawi
 mW
milliwatt
 MW
Master of Wine | medium wave | megawatt | molecular weight
 MWCA
Monetary Working Capital Adjustment
 mx
Mexico
 Mx
maxwell
 MX
mail exchange (record) | motocross
 mxd
mixed
 my
Malaysia | million years
 MY
motor yacht
 MYOB
mind your own business
 myth.
mythological | mythology
 mythol.
mythological | mythology
 mz
Mozambique


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Abbreviations