MID

MID or Mid may refer to:

Computers and electronics

• MapInfo Interchange Format; .mid is also sometimes used as the filename extension for some MapInfo files
• Media Identification Code (MID code), a code indicating the manufacturer of a DVD
• Mobile Internet device, a category of mobile computer
• Molded Interconnect Device, an injection molded thermoplastic part with integrated electronic circuit traces
• Multiple interface declaration, a construct in some computer programming languages
• Musical Instrument Digital Interface: .mid is sometimes used as an alternate filename extension for MIDI files

Medicine and biology

• Multi-infarct dementia, a disease also known as vascular dementia
• Monocyte, a type of white blood cell in the innate immune system of vertebrates

Military

• Maritime identification digits, a 3-digit code identifing the country of a ship/coastal station using communication equipment.
• Mentioned in Despatches, a military award for gallantry or otherwise commendable service
• Militarized Interstate Disputes, conflicts between states that do not involve full-scale wars
• Military Intelligence Division, a former military intelligence branch of the United States Army

Other

• Integration and Development Movement (MID), a political party in Argentina
• Manuel Crescencio Rejón International Airport, with IATA airport code MID
• Measuring Instruments Directive
• MID (Masters In Distance), an Estonian alternative pop band
• Mid vowel
• Midfielder, a position in association football (soccer)
• Motor Insurance Database, in the UK is a central database of vehicles that have a current and valid motor insurance policy
• Russian Ministry of Foreign Affairs, for which MID is a colloquial term

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