DD

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Look up DD or dd in Wiktionary, the free dictionary.

DD, dd, or other variants may refer to:

• D-D locomotives, UIC classification for a railway locomotive with two four-axle bogies
• Damage deposit, amount returned if rented object is handed back in good condition
• Dd (digraph), in the Welsh language
• dd (Unix), a program that copies and convert files and data
• D with stroke (Đ), noted as "DD" in VIQR notation
• DD Media Group, television producer and distributor
• Doctor of Divinity (D.D.), as the abbreviation for the Latin term Divinitatis Doctor
• dd, an HTML element for specifying definition data
• Donnie Darko, film
• Dungeons and Dragons, a roleplaying game
• Dimebag Darrell late lead guitarist of metal band Pantera
• Due Diligence

DD may also refer to:

In electronics and computing:

• Dolby Digital, the trademark for an audio compression system created by Dolby Laboratories
• Deployment Descriptor, a component in Java 2 Platform, Enterprise Edition applications
• Double density, a capacity designation on magnetic storage, usually floppy disks
• Deckadance, a DJ program for Windows and Mac OS X designed by Image-Line
• Digital distribution, the principle of providing digital information and content over the Internet in the form of products or services

In Indian media:

• DD National, an Indian national channel also referred as DD 1
• Doordarshan, an Indian national television broadcaster

In the military:

• DD tank, an amphibious swimming tank
• "Dishonorable discharge", a type of military discharge
• DD, the United States Navy hull classification for a Destroyer

As a symbol:

• DD, one of the Brassiere measurements
• DD, the licence plate code for Dresden
• DD, the IATA code for Nok Air
• DD, stock ticker symbol for DuPont

In other uses:

• Direct democracy
• Dunkin Donuts, a chain of coffee/doughnut shops
• Delhi Daredevils, an Indian Premier League franchise
• The Dresden Dolls, a musical duo from Boston
• Data Deficient, on the IUCN Red List of Threatened Species
• Designated driver, an individual within a group of people drinking alcoholic beverages who remains sober to drive others home
• Destructive Device, a bomb, grenade, other such explosive, or firearm with a bore over 1/2" in US Law for Title 2 weapons

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