What does Mds stand for?

Madrepores - Quality of the bottom - Nautical charts

Democratic and Social Movement (Morocco) - Political party (PSAP)

Macintosh Development System - Computer science

Madison - Wisconsin - Seismograph station code, US Geological Survey - Closed (SEIS)

Madison Flying Service, Inc. (SAUO)

Madison, SD - Location identifier - FAA (FAAL)

Madrona Resources, Inc. - Vancouver Stock Exchange symbol

Magnetic Detection of Submarines - British military (DMA)

Magnetic Disk Storage - Computer science (IAA)

Magnetic Disk System

Magnetic Drum Storage - Computer science (IAA)

Magnetic Drum System

Mail Distribution Schedule - Air Force (AFM)

Mail Distribution Scheme - Army

Main Device Scheduler (IAA)

Main Dressing Station

Maintenance Data System (MCD)

Maintenance Diagnostic System (MCD)

Maintenance Distribution Services Ltd. (EFIS)

Maintenance Documentation System - Bell System

Malfunction Detection System - Gemini - NASA

Management Data System (NASA)

Management Decision System (TIMI)

Management Development Series

Manned Destruct SEAD (SAUS)

Mannesmann Demag Sack (EFIS)

Manpower Data System (SAUO)

Manual Data Supervisor - Computer science (IAA)

Manufacturing Design System (SAUO)

Maria - Language code (ETLW)

Marine Distress Signal (IAA)

Market Data System - NYSE

Market Decision System (HGAA)

Marketing Database System (GART)

Marquis De Soiree

Massachusetts Dental Society (SAUO)

Mass Digital Storage

Master Delivery Schedule (AAG)

Master Development Schedule (KSC)

Master Dimension Specification (MSA)

Master Drum Sender

Master of Decision Sciences

Master of Dental Science

Master of Dental Surgery

Materiel Deployment Schedule

Maternal Deprivation Syndrome - Medicine (DMAA)

Mccarron-Dial System (TES)

Mechanized Documentation System

Medical Dental Service (SAUO)

Medical Development Services, Inc. - Commercial firm

Medical Documentation Service - College of Physicians of Philadelphia - Information service or system (IID)

Medical Dressing Station

Megawatt Demand Setter (NRCH)

Memory Disk System - Computer science (IEEE)

Mennonite Disaster Service (EA)

Mercedes Development System - Automotive engineering

Message Design Systems

Message Distribution Systems

Message-Dropping Station - Military (IAA)

Metacomputing Directory Service - Computer science

Metadata Standards (GIS)

Meta Data System (SAUO)

Metal-Dielectric Semiconductor - Electronics (PDAA)

Metastable-Atom De-excitation Spectroscopy

Meteoroid Detection Satellite - NASA

Meteorological Data System

Meteorological Distribution System (SAUO)

Methods Development Survey - Bureau of the Census (GFGA)

Metrofiber Multi-Megabit Data Service - Metropolitan Fiber Systems, Inc.

Metropolitan Dairymen's Society - British (BI)

Metropolitan Disposal Services, Inc. (EFIS)

"Micky the D" Show - Later, MDS/MMFC - An association (EA)

Microcomputer Development System (IAA)

Microphonic Detection System - Police and security equipment

Microprocessor Development System - Motorola, Inc.

Microsurgery Drill System (DAVI)

Microwave Doppler Speed - Electronic engineering

Microwave Multipoint Distribution Systems (EDAC)

Midas, Inc. - NYSE symbol (SPSG)

Middle Caicos - British West Indies - Airport symbol (OAG)

Middle Distance Swimmer

Middle Distillate Synthesis - Petroleum engineering

Milestone Description Sheet (ABAC)

Milford Docks Air Services Ltd. - British - ICAO designator (FAAC)

Milk Drinker's Syndrome - Medicine (DMAA)

Miller-Dieker Lissencephaly Syndrome - Medicine

Miller-Dieker Syndrome - Medicine (DMAA)

Mine Detection Set

Minerals Data System - Database

Miniature Doll Show

Minimal Data Set (SAUS)

Minimum Data Set - Computer science

Minimum Detectable Signal

Minimum Discernable System

Minimum Discernible Signal - Radio

Minimum Discernible System (NASA)

Minnesota Dermatological Society (SAUO)

Minuteman Defense Study - DoD

Minuteman Defense System - DoD

Miss Distance Sensor (ACAE)

Missile Detection System (ACAE)

Mission Design and Series - Military (AFM)

Mission Development Simulator - NASA (NASA)

Mission Display System - Navy (DOMA)

Mitchell Cove Boat, Bass Harbor, ME - Manufacturer code for watercraft hull identification number (USCG)

Mobile Data Service (DA)

Mobile Dental Section (SAUO)

Mobile Dental Services

Mobile Distribution System (AFM)

Mobilization, Deployment and Sustainment (SAUO)

Model Designation and Series - Military (AFIT)

Model Design Series (SAUO)

Modern Data Systems (IEEE)

Modify Device Status (AAEL)

Modular Data System

Modular Decontamination System (DWSG)

Modular Disc Storage (NITA)

Modular Dispenser System (SAUS)

Modular Display System (ACAE)

Modular Dissemination System - Military technology (DDF)

Modular Distribution System

Modulate-Demodulate Subsystem

Mohawk Data Sciences - Computer science (IAA)

Mohawk Data Sciences Corp. (SAUO)

Mohawk Data Systems Corporation (NITA)

Molybdenum Disulfide - Inorganic chemistry

Monitor Distribution System - Television

Montant de Soutien - Amount of Support - A trade negotiating plan - EC

Motion Detection System (SAUS)

Mouvement Democrate Socialiste - Democratic Socialist Movement - France - Political party (PPW)

Mouvement des Democrates Socialistes - Movement of Socialist Democrats - Tunisia - Political party (PPW)

Mouvement pour la Democratie Sociale - Burkina Faso - Political party (EY)

Movement Disorder Society - Association (EA)

Movement for a Democratic Slovakia - Former Czechoslovakia - Political party (EY)

Multidimensional Scaling - Statistics

Multiple Dataset System

Multiple Deficiency Syndrome - Medicine (DB)

Multiple Deployment System - Military (IAA)

Multipoint Distribution Service - Educational television

Multipoint Distribution Services

Multipoint Distribution System - Line-of-sight relay system for electronic signals

Multipoint Microwave Distribution System (WDAA)

Multiprocessor Distributed System - Raytheon (NITA)

Municipal Data Service - International City Management Association - Information service or system (IID)

Mushroom Distribution Services - Entertainment company

Myelodysplasia - Medicine

Myelodysplastic Syndrome - Medicine

Myocardial Depressant Substance - Cardiology (DAVI)

Myocardial-Dysplasia Syndrome - Medicine (MELL)

St. Mary's College of Maryland, St. Mary's City, MD - OCLC symbol (OCLC)