DD
DD, dd, or other variants may refer to:
- D-D locomotives, UIC classification for a railway locomotive with two four-axle bogies.
- Dd (digraph), in the Welsh language
- dd (Unix), a Unix program to copy and convert files
- D with stroke (Đ), noted as "DD" in VIQR notation
- DD Media Group, television producer and distributor
- Doctor of Divinity (D.D.), as the acronym for the Latin term Divinitatis Doctor.
- Deo Dedit (Latin: Gave To God)
dd, an HTML element for specifying definition data- Donnie Darko, film
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 or compact discs
- Deckadance, a DJ program for Windows and Mac OS X designed by Image-Line
In Indian media:
- DD National, an Indian national channel also referred as DD1
- 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
- Dear Daughter, a reference often used in family/motherhood/pregnancy forums, used in conjunction with dh, "Dear Husband", and ds, "Dear Son".
Source: adapted by the editor from Wikipedia, the free encyclopedia under a copyleft GNU Free Documentation License (GFDL) from the article "DD"