What does Md stand for?

Madinhae (BJA)

Maryland (BEE)

Maryland State Library, Annapolis, MD - Library symbol - Library of Congress (LCLS)

Median

Mendelevium - Preferred form, but also see Mv - Chemical element

Mesoderm - Botany

Air Madagascar - ICAO designator (AD)

Application for Writ of Mandamus Dismissed for Want of Jurisdiction - Legal term (DLA)

Biomedical Office - Kennedy Space Center Directorate (NAKS)

Delalande - France - Research code symbol

Doctor of Medicine (PGP)

Fissile Materials Disposition, Office of (SAUS)

La Maison-Dieu - Paris - A publication (BJA)

Machine Dried Paper (DGA)

Macro Data (IAA)

Macro Directory - Computer science (IAA)

Macular Degeneration - Ophthalmology

Made - Telegraphy (PCTE)

Madres de los Desamparados - Mothers of the Helpless - Roman Catholic religious order

Magdeburg - German license plate city code

Magic Design

Magnesium Deficiency - Medicine (DMAA)

Magnetic Deflection - Cathode-ray tube (DEN)

Magnetic Disk - Computer science (BUR)

Magnetic Drum

Mail Drop (COE)

Main Deck - Naval engineering

Main Droite - With the Right Hand - Music

Main Drum (CET)

Main Duct

Maintainability Demonstration (MCD)

Maintenance Documentation - Bell System (IAA)

Maintenance Dose - Medicine

Major/Mental Depression - Medicine (EDAA)

Make Directory - Computer science

Malate Dehydrogenase - Also, MDH - An enzyme

Male Treated with DOC - Deoxycorticosterone

Malfunction Detection (NASA)

Malic Dehydrogenase - An enzyme (MAE)

Malicious Damage (MARI)

Malrotation of Duodenum - Medicine (EDAA)

Malto-Dextrine - Brewing (BEBR)

Management Data (MCD)

Management Directive

Management Division - Environmental Protection Agency (GFGA)

Management Domain

Managing Director

Managment Domain - Telecommunications (OSI)

Manic-Depressive

Manning Department (SAUO)

Mano Destra - With the Right Hand - Music

Mantoux Diameter - Medicine (EDAA)

Manual Damper (OA)

Manual Data

Manual Direct (NASA)

Manual Disconnect (MCD)

Manu Dextra - With the Right Hand - Latin

Manufacturer Defect

Manufacturing Development (SAUO)

Manufacturing Division (ACAE)

Map Distance (ADA)

Marchand - Merchant, Trader - French

March of Dimes - Medicine (EDAA)

Marek's Disease - Avian pathology

Marine Detachment

Maritime Defense (SAUO)

Market Day - British

Marque Deposee - Trademark

Marquis Downs, Sask., Canada - North American horse racing tracks (HRTC)

Married

Marshaled Deployability Posture (SAUO)

Marshalled Deployability - Military technology (DDF)

Mary Dilda - Air show performer (ASPC)

Maryland - Postal code

Maryland Reports - A publication (DLA)

Master Diagram (MCD)

Master Dimension (NASA)

Master Directory - NASA - Information service or system (IID)

Master's Decisions (Patents) - A publication (DLA)

Match Dissolve - Cinematography (WDMC)

Material Developer (SAUO)

Material Development - Military technology (DDF)

Material Division (SAUO)

Materiel Developer - Army

Materiels Directorate (SAUO)

Maternal Deprivation (MAE)

Matrimonio Duxit - Led into Matrimony - Latin (ROG)

Maturity Date - Banking

Maximum Degree Allowed to Fit

Maximum Demand (IAA)

Maximum Design Meter

McDonnell Douglas - NYSE symbol

McDonnell Douglas Corp. - NYSE symbol (SPSG)

McDonnell Douglas Corporation (SAUO)

Mean Deviation

Measured Depth - Diamonds

Measured Discard - Nuclear energy (NRCH)

Measured Drilling - Diamonds

Mechanical Diode - Mechanical power transmission

Meckel's Diverticulum - Medicine (EDAA)

Medial Dorsal Cutaneous - Nerve - Medicine (EDAA)

Mediastinal Disease - Medicine (DB)

Mediation Device (VLIE)

Medical Department - Army

Medical Discharge - from military service

Medical Doctor (AMHC)

Medicinae Doctor - Doctor of Medicine - Latin

Mediodorsal - Anatomy

Medium Dosage - Pharmacology (MAE)

Medium Duty

Megadalton

Memorandum of Deposit - Business term

Memory Data Register (DNAB)

Memory Decrement (MHDB)

Meniere's Disease - Medicine (DMAA)

Mental Deficiency (DIPS)

Mental Development Center - Medicine (EDAA)

Mentally Deficient

Mentally Depressed - Psychology (DB)

Mentally Disabled (OICC)

Mesiodistal - Dentistry

Message Data

Message Digest

Message-Dropping - Military

Messages per Day

Mess Deck - Naval

Metal Deactivator

Metal Dome - Watchmaking (ROG)

Metals Disintegrating

Metaphors Dictionary - A publication

Meteorological Department (SAUO)

Meteorology Department - Navy

Meter Dispute - Electric utility company

Methyldichloroarsine - Poison gas

Methyldopa - Also, AMD - Antihypertensive compound

Metropolitan District - British

Microalloy Diffused

Micro Diagnostics (VLIE)

Microdot (KSC)

Micrometeoroid Detector (ACAE)

Microsoft DoubleSpace - Computer science

Microwave Desorber - Instrumentation

Middeck (SAUS)

Middle Deltoid - Myology

Middle Distillate - Fuel technology

Middle District (DLA)

Middle Door - Theater

Middle Dutch - Language, etc.

Midnight Dumping (MHDW)

Migrant with English Language Difficulty

Mildly Diabetic

Military District - Former USSR (NATG)

Millwall Dock - British

Mine Depot - Naval

Mine Disposal

Mini Disk - Audio/video technology

Minimum Dosage - Medicine

Ministry of Defence (SAUO)

Minute Difference

Miscellaneous Direct (MCD)

Miscellaneous Document

Misfire Detection - Automotive engineering

Miss Distance - Military

Missile Defense (SAUO)

Missile Division (AAG)

Missile Driver

Missionary Dentists - An association (EA)

Mission Day

Mission Dependent

Mission Deviation (MCD)

Mission Director - NASA (KSC)

Mitral Disease - Medicine

Mix Design

Mixed Diet (DMAA)

Mobile Decontamination

Mobile Depot - Air Force (MCD)

Mobilization Department (SAUO)

Mode - Grammar (ROG)

Moderate Dose - Medicine

Moderately Differentiated

Modernization Division (SAUO)

Modification - FCC application purpose code (FCCC)

Modification Document (MCD)

Modified Design - Cordite - British military (DMA)

Modify (VLIE)

Modular Design

Modulated Displacement - Automotive engineering

Modulators - JETDS nomenclature - Military (CET)

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

Moldova - Internet country code

Molecular Diameter

Molecular Dynamics

Money Down

Monitor Displays - Computer science (BUR)

Monochrome Display (VLIE)

Monocular Deprivation - Optics

Monocyte-Depleted Mononuclear Cell - Medicine (EDAA)

Monroe Doctrine

Monsanto Research Co. (SAUO)

Months after Date - or Month's Date - Business term

Mood - Grammar (ROG)

More Dicto - As Directed - Pharmacy

More Dirt (SAUS)

Mothers of the Helpless (TOCD)

Motion-Defined (SAUS)

Motor Direct

Motor Drive

Mound Laboratory (SAUO)

Movement Directive

Movement Disorder (MAE)

Movement Distance (SAUO)

Multidimensional

Multidomain - Grains in rocks - Geophysics

Multinomial Distribution - Statistics

Multiple Deficiency - Syndrome - Medicine (DB)

Multiple Dialyzer - Chemical analysis

Multiple Dissemination

Multiply-Divide (IAA)

Multipurpose Display (MCD)

Municipal Docks Railway of the Jacksonville Port Authority - AAR code

Muscular Dystrophy - Medicine

Musicae Doctor - Doctor of Music (ROG)

Musical Director

Music Director (NTCM)

Myocardial Damage - Cardiology (MAE)

Myocardial Disease - Cardiology

Myotonic Dystrophy - See also MyMD - Medicine

Mercedarious Descalzos (TOCD)

Months after Date (EBF)

Months' Date (EBF)