DD, dd, or other variants may refer to:

  • DD in hexadecimal = 221
  • DD, a brassiere measurement
  • d.d., Croatian term for a public limited liability company; dioničko društvo (literal: joint stock company)
  • DD National or DD1, an Indian national channel
  • DuPont's stock ticker symbol
  • .dd, a hypothetical domain name for the German Democratic Republic
  • dd, an HTML element for specifying definition data
  • dd (Unix), a program that copies and convert files and data
  • Deckadance, a DJ program for Windows and Mac OS X designed by Image-Line
  • Deployment descriptor, a component in Java Platform, Enterprise Edition applications
  • Logo for Dolby Digital, audio compression technologies developed by Dolby Laboratories
  • Double density, a capacity designation on magnetic storage, usually floppy disks
  • Daredevil, a Marvel Comics character
  • DD, a character in The Saga of Seven Suns novels by Kevin J. Anderson.
  • DD tank, an amphibious tank
  • Dishonorable discharge, a punitive discharge in the US Military
  • DD, the US Navy hull classification for destroyers
Science and technology
  • Data Deficient, a rating on the IUCN Red List of Threatened Species
  • Decimal degrees, geographic coordinates shown using decimal fractions
  • D-D locomotive, the AAR classification for a railway locomotive with two four-axle bogies
  • Nok Air's IATA code
  • DD, the licence plate code for Dresden, Germany
Other uses
  • Dd (digraph), a digraph in the Welsh language
  • Degree of Difficulty, a diving score modifier
  • Doctor of Divinity or D.D.
  • Direct deposit, used in banking
  • Drug and Disease, used in Personals ads as "D&D Free"

Other articles related to "dd":

Murasame Class Destroyer (1958) - Ships
... DDG-163) Tachikaze Hatakaze Kongō Atago Destroyer (DD) Asakaze (DD-181) / Hatakaze (DD-182) (Gleaves) Ariake (DD-183) (Fletcher) Harukaze Akizuki (1959 ...
Minegumo Class Destroyer - Names
... Laid down Launched Commissioned Decommissioned DD-116 TV-3508 Minegumo December 16, 1999 ... DD-117 TV-3509 Natsugumo July 25, 1999 ... DD-118 TV-3511 Murakumo November 15, 2000. ...
Hackle (wig Making)
... lengths, that is, separating their own different lengths any hair of DD or double drawn tend to be far expensive than any other hairs because for 4Oz of DD we may have use over a Kg of single drawn ...