M.I.Mech.E.Member of the Institution of Mechanical Engineers
MAAMotor Agents Association (now RMIF)
MAAPEMedical Aspects of Air Pollution Episodes (UK Advisory Group)
MAC1. Mechanical Air Bag.
2. Minister's Approval Certificate.
3. Mobile Air Conditioning.
4. Marginal Abatement Cost.
MACSMobile Air Conditioning System
MADDMothers Against Drunk Driving (USA)
MADMMultimedia Analysis and Data Mining
MADYMOMathematical Dynamic Model
MAERMeta-Analysis of Economics Research
MAFAMasters Academy of Fine Arts
MAFFMinistry of Agriculture Fisheries & Food
Magn.(in titles) Magnetic, -ism
MAIBMarine Accident Investigation Branch
MAICSMasters of Art Intercultural Studies
MAISMaximum Abbreviated Injury Scale
Managem.(in titles) Management
Manch.(in titles) Manchester
Manuf.in Manufacture, -ing
MAPManufacturing Automation Protocol
MAPKmitogen-activated protein kinase
MARBIMachine-Readable Bibliographic Information Committee
MARCMachine-Readable Cataloguing
MARDMean Absolute Relative Difference
MARPOLInternational Maritimes Organisations Convention on Maritime Pollution
masc. (rarely m.)masculine
Math.(as label) in Mathematics; (in titles) Mathematics, -al
MAVISMobility Advice and Vehicle Information Service
MBIMechanical Breakdown Insurance
MBUMaking Better Use (Roads Programme)
MBUS1. Making Best Use of Science (UK).
2. Miami Beach Urban Studios (FIU).
MC1. Monaco.
2. Master of Ceremonies.
3. Management Committee, CEN.
MCA1. Maritime and Coastguard Agency.
2. Monetary Compensatory Amount.
3. Monthly Car Allowance.
MCBTY(SN)My Computer is Better than Yours (So Nyerrr)
MCDMobile Compliance Device
MCDAMulti Criteria Decision Analysis
MCERTSMonitoring Certification Scheme (EA)
MCI1. Motor Coach Industries.
2. Motor Cycle Industry Association of Great Britain.
MCIBTYMy Computer Is Better Than Yours
MCIBTYCMy Computer Is Better Than Your Computer
MCREGISMotor Carrier Regulation Information System (USA)
MCSAPMotor Carrier Safety Assistance Program
MCSGMotor Caravan Steering Group
MCUSAConnection and Use of System Agreement
MD1. More Dirt.
2. Moldova, Republic Of.
3. Malate dehydrogenase.
MDAMedical Devices Agency
MDBMobile Deformable Barrier
MDHSMethods for The Determination of Hazardous Substances (H&S LAB)
MDPVMedium Duty Passenger Vehicles
MDQMediterranean Diet Questionnaire
MDSAMcGill Med-P Dent-P Student Association
MDWMidway International Airportin Chicago, USA.
Mech.(as label) in Mechanics; (in titles) Mechanics, - al
Med.(as label) in Medicine; (in titles) Medicine, - ical
MedDRAMedical Dictionary for Regulatory Activities
MEDGMiddle East Discussion Group
MEHRAMarine Environment High Risk Area
MEL1. Maximum Exposure Limit.
2. MEL Ltd. (Midland Environment Ltd).
MELASMitochondrial myopathy, encephalopathy, lactic acidosis, and stroke-like episodes
Mem.(in titles) Memoir, -s
MEMAMotor and Equipment Manufacturers Association
MEPMember of the European Parliament
MEPEMechanical and Process Engineering
MESFMobile Electronic Security Fitters
METASFederal Office of Metrology & Accreditation (Swiss)
Meteorol.(as label) in Meteorology; (in titles) Meteorology, -ical
METSMetadata Encoding and Transmission Standard
MEWGManufacturing Environment Working Group
MFAMotor Factors Association (now ADF)
MFBIMarket Facts and Business Information
MFDDMean Fully Developed Deceleration
MFICMother fucker In Charge
MFWICMother fucker Whats In Charge
MH1. Mostly Harmless.
2. Marshall Islands.
MHCMajor histocompatability complex
MHDMagneto Hydro Dynamic (crash sensors)
MHDC(A)My Hard Drive Crashed (Again)
MHDDEMedium Heavy-Duty Diesel Engine
MHRAMedicines and Healthcareproducts Regulatory Agency
MHSWRegsManagement of Health and Safety at Work Regulations
MHWMinistry of Health and Welfare (Japans equivalent of the FDA)
MI1. Malfunction Indicator.
2. Manager Institut.
MIAMotorsport Industry Association
MIAFTRMotor Insurance Anti Fraud Theft Register
MIB1. Motor Insurers Bureau.
2. Management Information Base.
MICMechatronics, Informatics and Control
MICOPSMotor Industry Code of Practice
Mics.(in titles) Miscellany, -eous
MIHMelanocyte stimulating hormone inhibiting hormone
MIITMalaysian Institute of Information Technology
MINManufacturers Identification Number
Min.(as label) in Mineralogy; (in titles) Mineralogy, - ical
MINDAMalaysian Directors Academy
Mineral.(in titles) Mineralogy, -ical
MIPSMillions of Instructions Per Second
MIRAMotor Industry Research Association
MIRRCMotor Insurance Repair & Research Centre
MIRU1. Medical Imaging Research Unit (University of Cape Town).
2. Mother & Infant Research Unit (University of York)
MISMotorhome Information Service
MISG1. Motor Industry Safety Group.
2. Motor Industry Study Group.
MISRAMotor Industry Software Reliability Association
MITIMinistry of International Trade & Industry (Japan)
MIUMobility Inclusion Unit
ML1. More Later.
2. Mali.
3. manufacturers licence (UK Pharmaceuticals).
MLAMultiple Letter Acronym
MLSOMulti Layered Safety Objectives
MMB1. Multimedia Builder (Multimedia presentation software).
2. Middle Mouse Button.
3. Michigan Marching Band (University of).
4. Mighty Mighty Bosstones (band).
5. Milk Marketing Board (various organizations).
6. Memanbetsu, Japan (Airport Code).
7. FCC Mass Media Bureau.
8. Miss Me Baby (Chris Cagle song).
9. Mike Messer Band (band).
10. Mail Me Back.
11. Minnesota Marching Band.
12. Melbourne Municipal Band (Melbourne, FL).
13. McCarthy Mambro Bertino Advertising (Boston, Massachusetts).
14. Medium Messaging Benchmark.
15. Multi-functional Medical Battalion (US DoD).
16. Minimum Monthly Balance (banking).
17. Molecular and Microbiology Department (George Mason University).
18. Music, Movies, and Books (Target Stores).
19. Modernization Management Board.
20. Miniature Multi-Band Beacon.
21. Microsoft Manual Burn.
22. Marshall Municipal Band (Marshall, MO).
23. Maintenance Management Branch.
24. Mad Monkey Brigade (gaming).
25. Mystara Message Board.
26. Max Milller Bhavan (India).
27. Mini-Microbolometer.
28. Mission Management Briefer.
29. Microtechnology in Medicine and Biology.
30. Mission Management Bus.
31. Massive Moving Barrier (crash test research).
32. Microtechnology Medicine Biology.
33. Midwest Medical Billing (Sylvan Lake, MI).
34. Minding My Business.
35. Minnesota Man Band.
36. Mighty Marching Bucks (Raeford, NC).
MMCMonopolies & Mergers Commission
MMEMechanised Metalextraction, esp from Incinerator Bottom Ash
MMEAMisuse Mode and Effects Analysis
MMIMan Machine Interface (Telematics)
MMPOMarketing Merchandising & Parts Operations
MMSMultimedia Messaging Service
MMTModern Monetary Theory
MMUCCModel Minimum Uniform Crash Criteria
MMWRMorbidity and Mortality Weekly Report
MOAMemorandum of Agreement
MODSMetadata Object Description Schema
MORIMarket and Opinion Research International
Morris(quoted from) E. E. Morriss Austral English
MOT1. Ministry Of Transport.
2. Annual Statutory Test for Cars and Motorcycles.
3. ( MoT ) - Matters Of Testing
MOTASMember Of The Appropriate Sex
MOTOREXProfessional Organization of the Automobile Industry
MOTOSMember Of The Opposite Sex
MOTSSMember Of The Same Sex
MP1. Member of Parliament.
2. Northern Mariana Islands.
MPGAMississippi Post Grad Academy
MPLSMulti protocol Label Switching
MPMAMetal Packaging Manufacturers Association
MPOAMulti-Protocol over ATM
MPSSMotorparc Statistics Service
MRAMutual Recognition Agreement
MRBTMobile Roller Brake Tester
MRC1. Milwaukee Repeater Club.
2. Mobile Range Communications.
3. Medical Research Council (UK).
MRCGPMembership of the Royal College of General Practitioners
MRDRCSMember Restorative Dentistry Royal College of Surgeons
MRFMaterials Recycling / Recovery Facility
MRGMetropolitan Railway Grant
MRHMelanocyte stimulating hormone releasing hormone
MRPSMetropolitan Railway Passenger Services
MRRLMichigan Radio Relay League
MRSMMaktab Rendah Sains Mara
MRTmagnetic resonance tomography
MRTS1. Manchester Radiology Training Scheme.
2. Marginal Rate of Technical Substitution.
3. Mortuary Science educational field: or the science of mortuary pactice.
MS1. More of the Same.
2. Montserrat.
3. Member State.
MSA1. Motor Sports Association.
2. Motorway Service Area.
3. Malta Standards Authority.
MSA(s)microtubule-stabilizing agent(s)
MSBIMedical Statistics and BioInformatics
MSCEMaster of Science in Civil Engineering
MSCEAMy Southern Comforts Empty Again
MSDSMaterial Safety Data Sheet
MSKHMaterials and Studies for Kassite History
MSRAMarketing & Social Research Association
MSSMember of the Same Sex
MSSOMaintenance and Support Services Organization
MSVAMotorcycle Single Vehicle Approval
MTAManufacturing Technologies Association
MTAPManagement & Technical Assistance Program (UMN)
MTBEMethyl Tertiary Butyl Ether
MTBFMean Time Between Failures
MTCIPModern Thermodynamic Calculation of Interface Properties
MTFBWYMay The Force Be With You
MTFDMember Theology for Dummies
MTTAMachine Tool Technologies Association (now MTA)
MTVVMaximum Transient Vibration Values
MUDMulti User Domain (or Dungeon)
MUGSMechanics, Usage, Grammar, and Spelling
MUNGMash/ Mung Until No Good
MURAPMoore Undergraduate Research Apprentice Program
Mus.(as label) in Music; (in titles) Music, -al; Museum
MUSHMulti User Shared Hallucination
MVDAMotor Vehicles Dismantlers Association
MVECMotor Vehicle Emissions Group (EC)
MVEGMotor Vehicles Emissions Group
MVMAMotor Vehicles Manufacturers Association (USA & Canada)
MVPMillennium Villages Project
MVRAMotor Vehicles Repairers Association
MVRFMotor Vehicle Radio Frequency
MVRIBModernising Vehicle Registration Implementation Board
MVRISMotor Vehicle Registration Information Service
MVTPAMotor Vehicle Theft Protection Act (USA)
MVUEMinimum Variance Unbiased Estimate (of the Mean)
MVWGMotor Vehicle Working Group
MW1. Mega Watts (unit energy, one million watts).
2. Malawi.
MX1. Mexico.
2. Multiplex.
MY1. Model Year.
2. Malaysia.
MYOBMind Your Own Business