What does mid stand for?

Middle (VRA)

Magnetically Insulated Diode - Physics

Maintenace Index Page (DNAB)

Mandaic - Language code (ETLW)

Manpower Information Division - Navy

Mare Island Division - San Francisco Bay Naval Shipyard, Vallejo, CA

Marginally Indigent Defendant

Master of Industrial Design

Master of Interior Design

Material Identification (AAEL)

Maximum Inhibiting Dilution - Medicine (MAE)

Maximum Inhibiting Duration - Medicine (DAVI)

Measure of Intellectual Development (EDAC)

Measuring Instruments Directive (READ)

Meat Inspection Division - of ARS, Department of Agriculture

Mechanical Inertia Dynamometer - Automotive emissions

Median Incisal Diastema - Medicine (MELL)

Median Infective Dose - Bacteriology

Mentioned in Dispatches (ADA)

Merida - Mexico - Airport symbol (OAG)

Mesioincisodistal - Dentistry

Message Identification - Computer science

Message Identifier

Message Input Description

Message Input Device (AABC)

Mid Airways - France - FAA designator (FAAC)

Midbody

Midcon Oil & Gas Ltd. - Toronto Stock Exchange symbol

Mid-Continent Telephone Corp. (SAUO)

Middle (AFM)

Middleton Island - Alaska - Seismograph station code, US Geological Survey (SEIS)

Middling Space - Typesetting (DGA)

Midget - NCIC car model code

Midland - Topography (ROG)

MIDLNET - Midwest Regional Library Network, St. Louis, MO - OCLC symbol (OCLC)

Midnight

Midshipman - Navy

Midway Furniture, Odessa, TX - Manufacturer code for watercraft hull identification number (USCG)

Midway Railroad Co. - AAR code

Midwest Stock Exchange - Chicago, IL (CDAI)

Midwifery (ROG)

Milady - NCIC firearms make code (NCIC)

Military Information Division (SAUO)

Military Intelligence Department (SAUO)

Military Intelligence Detachment (AABC)

Military Intelligence Division - War Department - World War II

Mines Inspection Department (SAUO)

Minimal Infecting Dose - Medicine (MELL)

Minimal Inhibiting Dose - Medicine

Minimal Irradiation Dose - Medicine (MELL)

Minimum Infective Dose - Bacteriology

Ministerstvo Inostrannykh Del - Ministry of Foreign Affairs - Former USSR

Missile Intelligence Directorate - Army (AABC)

Missile Intelligence Directory

Missing Insects Department

Mobile Information Device (CAL)

Modified Ionization Detector (MCD)

Mortgage Interest Differential

Movimiento de Integracion Democratica - Democratic Integration Movement - Dominican Republic - Political party (PPW)

Movimiento Independiente Democratico - Independent Democratic Movement - Panama - Political party (PPW)

Multi-Information Display - Automotive engineering

Multinfarct Dementia (DIPS)

Multiple Individually Designated (ACAE)

Multiple Infant Dementia - Neurology (CPH)

Multiple Infarct Dementia - Neurology

Multiple Ion Detection

Multiplex Identification (SAUS)

Multiplexing Identifier - Telecommunications

Munitions Inventions Department - British military (DMA)

Musically Intelligent Device - Electronic musical instruments

Middleburg, VA - Race horse training centers

Middoth (BJA)

Midrash - Interpretation of Old Testament writings (BJA)

Midshipman (WDAA)