What does MA stand for?

Aircraft Stations - ITU designation (CET)

Amherst College, Amherst, MA - Library symbol - Library of Congress (LCLS)

Commonwealth of Massachusetts (SAUS)

Deputy Commander for Maintenance (SAUO)

Division of Military Application (SAUO)

Machine Accountant - Navy

Machine gun - NCIC gun type code (NCIC)

Macroaneurysm (SAUS)

Macronutrient Additives - Fat substituted for food

Madagascar - GeoNet country code (GEON)

Madagascar - Federal Information Processing Standard (FIPS) country code (GEON)

Madras Artillery - British military (DMA)

Madrid Stock Exchange - Spain

Mafenide Acetate - Medicine (EDAA)

Magestrol Acetate - Medicine (EDAA)

Magister Artium - Master of Arts - Latin

Magma Arizona (SAUO)

Magma Arizona Railroad Co. - Later, MAA - AAR code

Magnesium Association - Later, IMA (EA)

Magnetic Amplifier

Mahogany Association (EA)

Maids of Athena (EA)

Maids of Athens (SAUO)

Main Alarm (IAA)

Main Amplifier (OA)

Maintenance

Maintenance Ability (KSC)

Maintenance Actions

Maintenance Administrator

Maintenance Agency (SAUO)

Maintenance Agreement (ELAL)

Maintenance Area - Military - British

Maintenance Availability

Maize - Soil biology - Human-introduced crops (QSUL)

Major (DSUE)

Malayan Airways (SAUO)

Maleic Anhydride - Also, MAH - Organic chemistry

Malev Hungarian Airlines (SAUO)

Malicious Damage (MARI)

Malignant Angioendotheliomatosis - Oncology

Malignant Arrhythmia - Medicine (DMAA)

Malignant Astrocytoma - Medicine (MELL)

Malonaldehyde - Organic chemistry

Malpractice Association (EA)

Malvalic Acid (PDAA)

Mamma (DSUE)

Mammary Adenocarcinoma - Medicine (DB)

Management Administration - Department of Labor Statistics (OICC)

Management Adviser

Management Area - USDA Forest Service (ALAC)

Management Audit - Branch - Medicine (EDAA)

Manager of Aviation

Manager's Assistant (DCTA)

Mandelic Acid - Organic chemistry (AAMN)

Manifest Achievement (AAMN)

Manifest Anxiety

Maniilaq Association (EA)

Mannheim - German license plate city code

Manpower Administration - Later, Employment and Training Administration - Department of Labor

Manual

Manufacturing Assembly

Manufacturing Authorization (ACAE)

Manure (ROG)

Manx Airlines Ltd.

Map Analysis

Marangoni - Tire retread brand

March

Margin Account - Investment term

Marijuana Anonymous (SAUO)

Marine Class

Maritime Administration - Also, MARAD, MARITADMIN - Department of Transportation

Mark - Coin (ROG)

Marke - NCIC firearms make code (NCIC)

Market Administration (HCT)

Market Average - Investment term

Marketing Assistance (MCD)

Marriage Analysis - Psychology

Marshaling Area - Military

Marshalling Area - Military technology (DDF)

Martin Ablator (SAUS)

Martin-Albright - Syndrome - Medicine (DB)

Martingana - Ship's rigging (ROG)

Maserati - Society of Automotive Engineers auto manufacturer code for service information interchange

Massachusetts - Postal code

Massachusetts Reports - A publication (DLA)

Mass Analyzer

Masseter - Medicine (MELL)

Mast - NCIC boat category code (NCIC)

Mast Aerial (IAA)

Master (MSA)

Master Alarm

Master Animal (EA)

Master Assistant - British military (DMA)

Master-at-Arms - Navy

Master of Arts

Master of Arts in Fine Arts (SAUO)

Masurium

Matched Angle (OA)

Mater - Mother - Latin (ADA)

Material Authorization (KSC)

Materials Application (SAUO)

Mathematical Association - British (BI)

Matrix Antigen - Biochemistry

Matt Art - Paper (DGA)

Maturational Age - Also, Development Age - Medical term (PAZ)

Mature Adult - Film and video classification

Mature Australia - An association

May

May Department Stores Co. - NYSE symbol (SPSG)

May Dept Stores - NYSE symbol

Mazdaznan Association (EA)

Mean Arterial Blood Pressure - Medicine (MAE)

Measurement Accuracy

Mechanical Accessories (MCD)

Mechanical Advantage

Mechanical Ambush (VNW)

Mechanical Atherectomy - Medicine (MELL)

Mechanically Alloyed - Metallurgy

Mechanician Apprentice - British military (DMA)

Mechanoacoustic

Media Alliance (EA)

Medicaid (DLA)

Medical Abbreviation (AAMN)

Medical Assistance - HEW

Medical Assistant (DAVI)

Medical Audit (MAE)

Medical Authority

Medical Authorization (DAVI)

Mediterranean Area

Medium Artillery

Mega - A prefix meaning multiplied by one million

Megaloblastic Anemia - Medicine (MELL)

Megampere (IEEE)

Melanesian Alliance - Papua New Guinea - Political party (FEA)

Melodious Accord (EA)

Member of the Academy (SAUO)

Membrane Antigen - Immunology

Memory Address - Computer science

Memory Available - Computer science (IAA)

Menorah Association - Defunct (EA)

Menstrual Age - Medicine

Mental Ability (FOTI)

Mental Age - Psychology

Mentum Anterior - In reference to the chin

Mercenary Association (EA)

Mercer Associates (EA)

Mercury Arc (MSA)

Mercury-Atlas - Spacecraft - NASA

Meso-American - Linguistics (IEL)

Message Assembler

Messies Anonymous - Commercial firm (EA)

Messing Allowance - British military (DMA)

Metabolic Acidosis - Medicine (MELL)

Metabolic Activity

Metabolic Analyzer

Metal Anchor (AAG)

Metallurgistes Unis d'Amerique - United Steelworkers of America (EAIO)

Metatarsus Adductus - Medicine (EDAA)

Meteorological Applications - Branch - Forecast Systems Laboratory (USDC)

Meter Amplifier

Meter Angle

Methamphetamine - Pharmacology

Methoxylamine - Organic chemistry

Methyl Acrylate - Organic chemistry

Methyl Anthranilate - Organic chemistry

Methylanthranilic Acid

Metric Association - Later, USMA (EA)

Metropolitan Area (SAUO)

Mexican-American

Michigan Amber - Variety of wheat

Microadenoma - Medicine (MELL)

Microagglutination - Immunochemistry (DAVI)

Microalloy

Microfilm Address (NITA)

Microphone Amplifier

Microscopic Agglutination - Medicine (DMAA)

Microwave Associates, Inc. - Later, M/A-Com (AAG)

Middeck Act

Middeck Aft (MCD)

Middle Ages

Middle Assyrian - Language, etc. (BJA)

Midland Aluminium Limited (SAUO)

Midmarch Associates (EA)

Midwest Academy (EA)

Mike Amplifier (NASA)

Mikes of America (EA)

Mileage Allowance

Miles Laboratories, Inc. - Research code symbol

Military Academy - Firearms use code - Firearms collecting (FAUC)

Military Academy

Military Accountant - British military (DMA)

Military Administration

Military Adviser (SAUO)

Military Aircraft

Military Applications (SAUO)

Military Assistance - or Assistant

Military Attache - Diplomacy

Military Aviator

Mill Annealed

Millennium Ecosystem Assessment (SAUO)

Miller-Abbot (Tube) - Medicine

Milliammeter (IAA)

Milliampere

Milliangstrom - Unit of wavelength of light (WGA)

Mind Association (EA)

Minimum Aircraft - Powered hang gliders, replicas of early flying machines, etc. - British

Mining Association (SAUO)

Ministry of Aviation - British

Minnesota - Obsolete (ROG)

Miscellaneous Adjustment - Electric utility company

Miscellaneous at Anchor - Navy (NVT)

Miss Angle

Missed Appointment

Missed Approach

Missile Airframe (AAG)

Missile Armed (ACAE)

Missile Away

Mission Abort (SAUO)

Mission Accomplished - Air Force

Mission Analysis (MCD)

Missionarius Apostolicus - Missionary Apostolic - Latin

Missionary Apostolic (SAUO)

Mission Assignment (ACAE)

Missouri Appeal Reports - A publication (DLA)

Mistresses Anonymous (EA)

Mitochondrial Antibody - Medicine (EDAA)

Mitomycin-C and Adriamycin - Antineoplastic drug regimen (DAVI)

Mitotic Apparatus - Cytology

Mitral Annulus - Cardiology (DAVI)

Mobile Airlock (MCD)

Mobile Allocation (CGWS)

Mobilization Augmentee - Military (AFM)

Mobilization for Animals - Defunct (EA)

Moderately Advanced (MAE)

Modern Age - A publication (BRI)

Modified Atmosphere - Food technology

Modify Address (IEEE)

Molecular Absorption

Monarchist Alliance (EA)

Monarticular Arthritis - Medicine

Monitoring Agency

Monkeein' Around - An association (EA)

Monoamine - Chemistry

Monoclonal Antibody - Medicine (DMAA)

Monomorphic Adenoma - Medicine (MELL)

Monte Carlo Resources - Vancouver Stock Exchange symbol

Months After

Mooncrow Aeyrie

Moored Alongside - Navy (NVT)

Moral Alternatives - An association (EA)

Moreshet Archives - Jerusalem (BJA)

Morning After (IIA)

Morocco - IYRU nationality code - ANSI two-letter standard code (CNC)

Mortuary Affairs - Army

Mother's Aide - Red Cross Nursing Services

Mothers of Asthmatics (EA)

Mountain Artillery

Mountaineering Association - British (BI)

Moving Average - Statistics

Multi-chambered Auto-injector (SAUS)

Multiple Access (NASA)

Multiple Action - Medicine (EDAA)

Multiple Application - Military (AFIT)

Munitionsanstalt - Ammunition Depot - German military - World War II

Munitions Tribunals Appeals, Great Britain High Court of Justice - A publication (DLA)

Muscle Activity (MAE)

Museums' Association (WDAA)

Musical Appreciation - Record label

Music Alliance - Defunct (EA)

Muslim Almanac - A publication

Mutagenic Activity

Mutual Age

My Account - Business term

Myanma Airways (EY)

Myelinated Axon - Medicine (EDAA)

Office of Management and Administration (SAUO)

United States Military Academy (AAGC)

Ma'arbae (BJA)

Ma'aserot (BJA)

Mach Number - IUPAC

Male (DAVI)

Manchester Regiment (SAUO)

March's Action for Slander and Arbitrament - A publication (DLA)

Marsh - Maps and charts

Martinus de Caramanico - Flourished, 1269-85 - Authority cited in pre-1607 legal work (DSA)

Martinus Gosia - Authority cited in pre-1607 legal work (DSA)

Mass of Atom (DMAA)

Matheus de Mathesillanis - Flourished, 1381-1402 - Authority cited in pre-1607 legal work (DSA)

Mattes - Quality of the bottom - Nautical charts

Megaannum (DOG)

Million Years Ago

Mass Flow of Air - Aviation (DA)

Arab States - MARC geographic area code - Library of Congress (LCCP)

Maritime Antarctic - Air Mass - Meteorology (BARN)

Milliamp (AEBE)

Milliampere (MIST)

Myria - A prefix meaning multiplied by 10⁴