Computer and information science

• Data Design System
  Data Design System
  Data Design System ASA supplies the construction industry with software tools for building information modelling .The company was founded in 1984 in Stavanger, Norway...
  
  , DDS-CAD software vendor
• Data Description Specifications
  Data Description Specifications
  Data description specifications allow the developer to describe data attributes in file descriptions that are external to the application program that processes the data, in the context of an IBM System i.-External links:*...
  
  , AS400 programming
• Data Distribution Service
  Data Distribution Service
  Data distribution service for real-time systems is a specification of a publish/subscribe middleware for distributed systems created by the Object Management Group in response to the need to standardize a data-centric publish-subscribe programming model for distributed systems.- History :A few...
  
  , an OMG standard for publish/subscribe middleware for distributed systems.
• Directory Databasing System, a database construct leveraging the file system for increased performance.
• Data dictionary system of ICL's VME operating system; see ICL VME#Quickbuild
• Digital Data Storage
  Digital Data Storage
  Digital Data Storage is a format for storing computer data on a Digital Audio Tape .DDS uses tape with a width of 3.8mm, with the exception of the latest formats, DAT 160 and DAT 320, which are 8mm wide...
  
  , a storage tape format related to Digital Audio Tape (DAT)
• DirectDraw Surface
  DirectDraw Surface
  The DirectDraw Surface file format , from Microsoft, is a standard for storing data compressed with the lossy S3 Texture Compression algorithm, which can be decompressed in hardware by GPUs and consoles like the Playstation Portable, PlayStation 3 and Xbox 360...
  
  , .dds texture files
• Donovan Data Systems, software & computer services company
• Dynamic Design Solutions, CAE software development company
• Dynamic digital signage
• Leased line
  Leased line
  A leased line is a service contract between a provider and a customer, whereby the provider agrees to deliver a symmetric telecommunications line connecting two or more locations in exchange for a monthly rent . It is sometimes known as a 'Private Circuit' or 'Data Line' in the UK or as CDN in Italy...
  
  , Dataphone Digital Service or Digital Data System

Chemistry

• Distillers dried solubles, another name for distillers grains, a cereal byproduct of the distillation process.
• Dimethyldichlorosilane
  Dimethyldichlorosilane
  Dimethyldichlorosilane is a tetrahedral, organosilicon compound with the formula Si2Cl2. At room temperature it is a colorless liquid that readily reacts with water to form both linear and cyclic Si-O chains...
  
  , an organosilicon compound.

Law and administration

• Disability Determination Service, a state agency in the United States that determines eligibility for federal disability benefits.

Healthcare

• Doctor of Dental Surgery
  Doctor of Dental Surgery
  There are a number of first professional degrees in dentistry offered by schools in various countries around the world. These include the following:* Doctor of Dental Surgery * Doctor of Dental Medicine * Bachelor of Dentistry...
  
  , an academic degree
• Dopamine dysregulation syndrome
  Dopamine dysregulation syndrome
  Dopamine dysregulation syndrome , sometimes known as hedonistic homeostatic dysregulation in Parkinson's disease, is a dysfunction of the reward system in subjects with Parkinson's disease due to a long exposure to dopamine replacement therapy...
  
  , a condition connected with treatment for Parkinson's disease
• Drug delivery systems, how drugs are delivered to relevant areas or tissues

Medicine

• DDS
  Benztropine
  Benzatropine , also known as benztropine , is an anticholinergic marketed under the trade name Cogentin which is used in the treatment of Parkinson's disease, parkinsonism, akathisia, and dystonia.- Indications :...
  
  , an outdated term used to refer to the eponymous Rothrockism – a condition characterized by intense penile pruritis that is often refractory to pharmacologic intervention.

Arts and popular culture

• Digimon Data Squad, season 5 of the Digimon anime
• Digital Devil Saga, a 2004 video game spun off from the Shin Megami Tensei series
• Dmitri Dmitriyevich Shostakovich, Russian composer
• Breasts, Double D cup size

Schools

• Dutchess Day School
  Dutchess Day School
  Dutchess Day School is a co-educational day school located in Millbrook, New York that serves students from Pre-K through Grade 8. Founded in 1955, it first had only 3 teachers and nineteen students. Enrollment for 2007–2008 was 176 students with 32 teachers...
  
  , a private Pre-K through 8th Grade School in Millbrook
  Millbrook, New York
  Millbrook is a village in Dutchess County, New York, United States. It is often said to be a "low-key version of the Hamptons" and one of the wealthiest towns in New York State. Millbrook's estimated town population was 1,551 in 2008. Millbrook is located in the Hudson Valley, an hour and thirty...
  
  , New York
  New York
  New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...
  
  , United States
• Davidson Day School
  Davidson Day School
  -History:Davidson Day School, formerly Acclaim Academy was originally located at 404 Armour Street in Davidson and rented space from the factory that owned the building...
  
  , A Pre-K through 12th Grade School in Davidson
  Davidson, North Carolina
  Davidson is a town in Mecklenburg County in the U.S. state of North Carolina. The population was 7,139 at the 2000 census. It is home to Davidson College...
  
  , North Carolina
  North Carolina
  North Carolina is a state located in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north. North Carolina contains 100 counties. Its capital is Raleigh, and its largest city is Charlotte...
  
  , United States.

Other uses

• Deflation Detection System
• Dewey Decimal Classification
  Dewey Decimal Classification
  Dewey Decimal Classification, is a proprietary system of library classification developed by Melvil Dewey in 1876.It has been greatly modified and expanded through 23 major revisions, the most recent in 2011...
  
  , often called the Dewey Decimal System
• Dry Deck Shelter
  Dry Deck Shelter
  A Dry Deck Shelter is a removable module that can be attached to a submarine to allow divers easy exit and entrance while the boat is submerged...
  
  
• Dragon Dagger Special, is a special attack exclusive to the Dragon dagger in the game RuneScape
  RuneScape
  RuneScape is a fantasy massively multiplayer online role-playing game released in January 2001 by Andrew and Paul Gower, and developed and published by Jagex Games Studio. It is a graphical browser game implemented on the client-side in Java, and incorporates 3D rendering...
  
  .
• Dark dune spot, a feature of the Martian landscape
  Geysers on Mars
  Martian geysers are putative sites of small-scale jet-like eruptions that are believed to occur in the south polar region of Mars during the spring thaw. "Dark dune spots" and "spiders" are the two most visible types of features ascribed to these eruptions. They are unlike any terrestrial...
  
  
• Direct Delivery Scheme, of the Society of Independent Brewers
  Society of Independent Brewers
  The Society of Independent Brewers was founded in 1980 under the title The Small Independent Brewers Association to represent the interests of the growing numbers of independent brewing companies in the United Kingdom...
  
  
• DragDropShop, a addon for webshops