DDM may refer to:
Computing
*
Data Diffusion Machine, a virtual shared memory computer architecture from the 1990s
*
Digital diagnostics monitoring function in SFP transceivers
*
Distributed Data Management Architecture, an open, published architecture for creating, managing and accessing data on a remote computer.
* Dynamic Data Masking, a form of
data masking
Data masking or data obfuscation is the process of modifying sensitive data in such a way that it is of no or little value to unauthorized intruders while still being usable by software or authorized personnel. Data masking can also be referred as ...
*
Dynamic Device Mapping, an advanced technology for USB KVM switches
Science and technology
* Derrick Drilling Machine, or
Top drive A top drive is a mechanical device on a drilling rig that provides clockwise torque to the drill string to drill a borehole. It is an alternative to the rotary table and kelly drive. It is located at the swivel's place below the traveling block and ...
*
Difference in the Depth of Modulation, an amplitude modulation method used in the Instrument Landing System
*
Differential dynamic microscopy, an optical technique
*
Direct Digital Manufacturing
*
Doctor of Dental Medicine, an academic degree for dentistry
*
Domain decomposition methods
In mathematics, numerical analysis, and numerical partial differential equations, domain decomposition methods solve a boundary value problem by splitting it into smaller boundary value problems on subdomains and iterating to coordinate the soluti ...
*
Drift Diffusion Model, a method used in psychological choice testing
*
Maltosides
A maltoside is a glycoside with maltose as the glycone (sugar) functional group. Among the most common are alkyl maltosides, which contain hydrophobic alkyl chains as the aglycone. Given their amphoteric properties, these comprise a class of deter ...
(n-Dodecyl β-D-Maltopyranoside), a detergent used when purifying membrane proteins
* Dyson Digital Motor, a two-pole switched
reluctance motor
Finance
*
Dividend Discount Model, a valuation method for shares based on dividends
*
East German mark, a former currency (ISO code was ''DDM'')
Other uses
* ''Deutsches Dampflokomotiv-Museum'', the
German Steam Locomotive Museum
The German Steam Locomotive Museum (''Deutsches Dampflokomotiv-Museum'') or DDM is located at the foot of the famous ''Schiefe Ebene'' ramp on the Ludwig South-North Railway in Neuenmarkt, Upper Franconia. This region is in northern Bavaria, Germ ...
*
Dharma Drum Mountain, a Buddhist educational foundation
*
Didymoteicho, a Greek town
* ''Dubbeldeks Materieel'', a class of
trains in the Netherlands
*
Dungeon Dice Monsters
''Yu-Gi-Oh! Dungeon Dice Monsters'' is a dice-driven tactics video game based on an original board game featured in the ''Yu-Gi-Oh!'' storyline. It was developed and published by Konami, and released on March 21, 2001, in Japan, February 11, 2003, ...
, a board game
*
Dungeons & Dragons Miniatures Game
The ''Dungeons & Dragons Miniatures Game'' is a collectible miniatures game played with pre-painted, plastic miniature figures based on characters and monsters from the ''Dungeons & Dragons'' game. The figures are 30mm in scale. Produced by W ...
, collectible tactical skirmish game
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