Maintenance Support Positive
Brody Medical Science Building (SAUS)
Egyptair - ICAO designator (AD)
IEEE Magnetics Society (EA)
Ma'aser Sheni (BJA)
Machinery Survey - Shipping
Machine Screw
Machine Selection (IEEE)
Machine Steel
Machining System (IAA)
Macromodular System - Computer science (IEEE)
Macro Society (EA)
Magnetic South
Magnetic Stirrer - Biotechnology
Magnetic Storage - Computer science
Magnetic Strip (IAA)
Magnetic Susceptibility (SAUS)
Magnetic Synchron (IAA)
Magnetostatic - Telecommunications (IAA)
Magnetostriction
Mail Station (ACAE)
Mail Steamer
Main Sequence - Astronomy
Main Station (SAUS)
Main Steam (NRCH)
Main Storage
Main Street - Disney (DIS)
Main Switch
Main Synchronizer - Navigation systems
Maintenance and Service
Maintenance Schedule (DA)
Maintenance Squadron
Maintenance Standard
Maintenance State
Maintenance Superintendent - Military (AFIT)
Maintenance System (ACII)
Majority Stockholder
Major Subject - Military
Maladjustment Score - Psychology
Male Servant
Malone Society (EA)
Mammal Society (EAIO)
Management Science - Computer science (BUR)
Management Services (KSC)
Management Staff - Environmental Protection Agency (GFGA)
Management System (OICC)
Manic State - Medicine (DB)
Manned Station (IAA)
Mannose Sensitive - Biochemistry
Mano Sinistra - With the Left Hand - Music
Man Station - Military
Man System (SAUS)
Manual Sequential (NRCH)
Manual Supplement
Manual System (DCTA)
Manufacturing in Space
Manufacturing Specification (AAG)
Manufacturing Standard
Manufacturing Status (AAG)
Manufacturing Support
Manuscript (WDAA)
Manuscript Reports - A publication (DLA)
Manuscript Society (EA)
Manuscriptum - Manuscript - Latin
Mare Serenitatis - Sea of Serenity - Lunar area
Marfan's Syndrome - Syndromes - Medicine (QSUL)
Margin of Safety - Engineering
Marian Sisters of the Diocese of Lincoln (TOCD)
Marie-See - Syndrome - Medicine (DB)
Marie-Struempell - Disease - Medicine (DB)
Marijuana Smoke
Marine Stratus (ARMP)
Marital Status
Maritime Surveillance (SAUS)
Marker Switch (IAA)
Marketing Society (COBU)
Mark Sense (NITA)
Mark Sensing (MSA)
Marquandia Society (EA)
Marshall Steel Ltd. - Toronto Stock Exchange symbol
Mass Spectrography
Mass Spectrometer (AAEL)
Mass Spectrometry
Mass Spectroscopy
Mass Storage - Computer science
Master of Science
Master of Sociology
Master of Surgery (ODA)
Master Scene - Major script sequence (NTCM)
Master Scheduler (CMD)
Master Sequencer (AAG)
Master Sergeant
Master Shot - Film production (NTCM)
Master-Slave - Computer science (MHDI)
Master Switch
Master Synchronizer (CET)
Mast Section (IAA)
Matched Set - Philately
Match Station (VLIE)
Materials Science
Material Standard (AD)
Material Support
Mathis Society - Defunct (EA)
Mating Sequence and Control (NASA)
Matrix Spike
Mauritius
Maxillary Sinus - Medicine (MELL)
Maximum Stress
Maybee Society - Association (EA)
Mean Score - Medicine (EDAA)
Mean Seasonal (GIS)
Mean Square
Measured Service Pricing - Telecommunications (TEL)
Measurement Systems Inc. (SAUS)
Measuring Set
Measuring System
Mechanical Seal
Mechanical Stimulation (DB)
Mechanized Scheduling - Telecommunications (TEL)
Meckel Syndrome - Medicine (DMAA)
Medial Septum - Anatomy
Media-Service GmbH - Database producer (IID)
Media Society - British (DBA)
Mediastinal Shift - Medicine (EDAA)
Medical Science (DAVI)
Medical Service Corps - Military (DOMA)
Medical Services - Navy - British
Medical Staff - British military (DMA)
Medical Student (DAVI)
Medical Supplies - Military
Medical Survey - Navy
Medicine and Surgery - Navy (IEEE)
Medium Sand - Soil biology - Soil texture (QSUL)
Medium-Scale (IAA)
Medium Set - Adhesives
Medium Setting - Asphalt grade
Medium Shot
Medium Soft (IAA)
Medium-Speed (IAA)
Medium Steel
Meeting of Signatories - INTELSAT
Meeting Series - Online database field identifier
Megalosperm - Medicine (MELL)
Megasecond (IAA)
Mega Society (EA)
Megasporocyte - Botany
Melville Society (EA)
Memoriae Sacrum - Sacred to the Memory Of - Latin
Memory Store - Computer science
Memory System
Mencken Society (EA)
Menkes' Syndrome - Medicine (MELL)
Men of the Stones (EA)
Mental Status - Psychology
Menu Software
Merchant Shipping
Mercury-Scout - Spacecraft - NASA
Merit System (OICC)
Mesa - Type of transistor (MDG)
Message Store - Telecommunications (OSI)
Message Switch (SAUS)
Message Switching - Telecommunications (IAA)
Messaging Services (VLIE)
Mess Management Specialist - Military (MUSM)
Mestome Sheath - Botany
Metallurgical Society (NADA)
Metals Society - Later, IOM (EAIO)
Metal Stamping
Meteoritical Society (EA)
Meteoroid Shield (KSC)
Meteor Scatter (PDAA)
Methionine Synthase - An enzyme
Method of Sale
Methyl Salicylate - Organic chemistry
Methyl Silicone - Medicine (EDAA)
Metric Size (IAA)
Metric System
Mezzo Soprano - Music (ROG)
Michigan State University of Agriculture and Applied Sciences (AD)
Microbial Susceptibility - Medicine (DB)
Microcirculatory Society (EA)
Microprogram Storage - Computer science (MDG)
Microscope Slide (DMAA)
Microscopic System
Microsoft Corporation (WDMC)
Microsphere
Microwave Scanner - Marine science
Microwave Spectrum
Mid-Shot
Mid-South Engineering Co. - Commercial firm
Mild Steel
Milestone (KSC)
Milestone Scientific - AMEX symbol (SPSG)
Military Science (AABC)
Military Secretary - British
Military Service
Military Service Act - British
Military Show
Military Specification (AAG)
Military Staff - British military (DMA)
Military Standard - Parts designation
Military Surgeon - Medicine (EDAA)
Military Survivors (EA)
Milk Sugar (MELL)
Millbrook Society - Mid-Atlantic states (EARSL)
Millennium Society (EA)
Milliseconds (ACAE)
Minesweeper - or Minesweeping
Miniature Screw - Lamp base (NTCM)
Minimal Support (DAVI)
Minister of State - British
Ministry of Shipping - British
Ministry of Supply - Also, MOS - British
Minority Stockholder
Minor Surgery (SAUS)
Mint State
Minus
Minutes (AAG)
Miscellaneous
Miscellaneous Services - Department of Employment - British
Misfits
Missile Station (AAG)
Missile Support (SAUS)
Missile System
Missionaries of Our Lady of LaSalette - Roman Catholic religious order
Missionary Sisters of Our Lady of Africa - White Sisters - Roman Catholic religious order
Missionary Society - British
Mission Sequencer (SAA)
Mission Simulator
Mission Specialist (MCD)
Mission Station (MCD)
Missions to Seamen (EA)
Mission Support
Mississippi - Postal code
Mitral Stenosis - Cardiology
Mittelsatz - Middle Movement - Music
Mobile Searchlight - British
Mobile Service - Telecommunications (TEL)
Mobile Station (VLIE)
Mobile Surgery - British
Mobilization Station - DoD
Modal Sensation - Psychology
Modal Sensitivity - Medicine
Model Station
Modem Sharing (ACAE)
Moderately Susceptible - Plant pathology
Modern Science - A publication
Modesto Santos - NCIC firearms make code (NCIC)
Modulation Sensitivity
Moessbauer Spectroscopy
Molar Degree of Substitution - Organic chemistry
Molar Solution - Dentistry
Molar Substitution (DB)
Molecular Sieve (MCD)
Molecular Staffing - Optics (EECA)
Molecular Stuffing (VLIE)
Molecular Substitution
Money Supply
Mongolian Spot - Medicine
Monitor Station
Monochromatic Scanner (GIS)
Monorail Society (EA)
Months after Sight - or Month's Sight - Business term
Montserrat - ANSI two-letter standard code (CNC)
Morel Syndrome - Medicine (MELL)
More of the Same (SAUS)
More Segments (VLIE)
More Significant - Statistics
Morgan Stanley Group, Inc. - NYSE symbol (SPSG)
Morphine Sulfate - Narcotic
Morquio-Silverkioeld - Syndrome - Medicine (DB)
Morse Society - Association (EA)
Morse Tape (IAA)
Most - Telegraphy (PCTE)
Most Severe - Automotive engineering
Most Significant
Motile Sperm
Motion Sensitivity (KSC)
Motor Ship
Motor Starting (IAA)
Motor Supports
Mucosubstance (MAE)
Muenster - Westfalen - German license plate city code
Multilateral Staff - Environmental Protection Agency (GFGA)
Multiple Sclerosis - Medicine
Multiple Section (MSA)
Multiplexer Section (SAUS)
Multiplexer Storage (IAA)
Multistart - Optimization method
Multistring (NASA)
Munchausen's Syndrome - Medicine (MELL)
Murashige-Skoog - Medium - Botany
Murphy-Sturm - Lymphosarcoma - Medicine (DB)
Muscle Shortening - Medicine
Muscle Strength
Musculactive Substance - Medicine
Musculoskeletal - Medicine
Music Sales Corporation - Publisher
Mustard Seed (EA)
Mycoplasma Synoviae - A pathogen
Myelosclerosis - Medicine (MELL)
Mythopoeic Society (EA)
Ship Station - ITU designation (CET)
Somerset Library - Bibliotheque Somerset, Manitoba - Library symbol - National Library of Canada (BIB)
Springfield City Library, Springfield, MA - Library symbol - Library of Congress (LCLS)
Machine Screw (AD)
Machine Steel (AD)
Main Switch (AD)
Maintenance and Service (AD)
Major Subject (AD)
Manuscript (VRA)
Margin of Safety (AD)
Mass Spectrometric (AD)
Master Switch (AD)
Matched Set (AD)
Maximum Stress (AD)
Mean Square (AD)
Medium Shot (AD)
Medium Steel (AD)
Meters per Second (AD)
Metric System (AD)
Microsecond (VLIE)
Microseismic (AD)
Mild Steel (AD)
Millisecond
Minimum Stress (AD)
Mint State (AD)
- The Missionaries of Our Lady La Salette (TOCD)
Mitral Stenosis (AD)
Months after Sight (AD)
Morphine Sulfate - Medicine (BCRP)
Multiple Sclerosis (AD)
Multiple Starters (AD)
Muscle Strength (AD)
Nail Steamer (ODA)
Manuscript (AL)
Mariners - Seattle Baseball Team (AD)
Mass Spectrometer (NAKS)
Material Specification (NAKS)
Mating Sequence and Control - NASA (NAKS)
Mature Motion Pictures (AD)
Mauritius (MILB)
Mendes (AD)
Mesothorium (AD)
Mesyl - Organic chemistry
Milestone (NAKS)
Military Standard (NAKS)
Millisecond (NAKS)
Mission Specialist - NASA (NAKS)
Mission Station - NASA (NAKS)
Mississippi State Library, Jackson, MS - Library symbol - Library of Congress (LCLS)
Mistress (DAVI)
Monosomy (QSUL)
Multistring (NAKS)
Murmurs - Medicine (DMAA)
Mussels - Quality of the bottom - Nautical charts
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