Duales System Deutschland (DSD) is the German organization responsible for collecting and recycling consumer packaging.

DSL is the acronym of digital subscriber line.

Dolby stereo digital also called dolby SR-D, dolby digital or or dolby DD is a commercial film sound process that allows six individual soundtrack channels (Left, Center, Right, Left Surround, Right Surround, LFE or Subwoofer) to be optically printed onto a 35mm film and reproduced in commercial movie theaters. Dolby stereo digital offers considerably improved audio performance over dolby stereo.

Dolby digital is described as a digital audio format for DTV that normally plays through six channels, or speakers - left, right, center, left surround, right surround and a special low frequency effects channel.

Digital printing is described as a new printing technology in which electronic files are used to create images on press. Typically used for on-demand printing and to personalize documents and generally used for short runs.

Digital imaging is described as a method of image editing in which a picture is recorded as digital information that can be read and manipulated by a computer, and subsequently reformed as a visible image.

Digicover defined as a process by which original paperback cover is copied and laminated to a hard cover. The original cover must have a complete spine. These materials are adhesive bound.

Dead coral characterized as any pieces of coral that are dead when exported, but that may have been alive when collected, and in which the structure of corallites (the skeleton of the individual polyp) is still intact; specimens are therefore identifiable to the level of species or genus.