The abbreviation DPD may stand for:

Computing

Dead Peer Detection Dead Peer Detection (DPD) is a method of detecting a dead Internet Key Exchange (IKE) peer. The method uses IPsec traffic patterns to minimize the number of messages required to confirm the availability of a peer. DPD is used to reclaim the lost r ...

, an IPSec VPN feature *

Delegated Path Discovery Delegated Path Discovery (DPD) is a method for querying a trusted server for information about a public key certificate. DPD allows clients to obtain collated certificate information from a trusted DPD server. This information may then be used ...

, a public-key query method * Densely packed decimal, a system of binary encoding for decimal digits

Engineering and technology

Diffusion pressure deficit Suction pressure is also called Diffusion Pressure Deficit. If some solute is dissolved in solvent, its diffusion pressure decreases. The difference between diffusion pressure of pure solvent and solution is called diffusion pressure deficit (DPD). ...

* Digital Pre-Distortion, a subset of

Multidimensional Digital Pre-distortion Multidimensional Digital Pre-distortion (MDDPD), often referred to as multiband digital pre-distortion (MBDPD), is a subset of digital predistortion (DPD) that enables DPD to be applied to signals (channels) that cannot or do not pass through the sa ...

that deals with linearization of non-orthogonal, non-linear systems. * Digital product definition, a near-synonym of

model-based definition Model-based definition (MBD), sometimes called digital product definition (DPD), is the practice of using 3D models (such as solid models, 3D PMI and associated metadata) within 3D CAD software to define (provide specifications for) individual ...

Dissipative particle dynamics Dissipative particle dynamics (DPD) is an off-lattice mesoscopic simulation technique which involves a set of particles moving in continuous space and discrete time. Particles represent whole molecules or fluid regions, rather than single atoms, and ...

, a mesoscopic particle-based materials simulation technique * Diver propulsion device, an underwater vehicle

Law

* EU

Dangerous Preparations Directive The Dangerous Preparations Directive is a European Union directive in the field of occupational safety and health and consumer protection. It complements the Dangerous Substances Directive (67/548/EEC) and replaces a previous Dangerous Preparati ...

* EU Data Protection Directive *

Development Plan Document A local development framework is the spatial planning strategy introduced in England and Wales by the Planning and Compulsory Purchase Act 2004 and given detail in Planning Policy Statements 12. In most parts of the two countries, maintaining th ...

, in town and country planning in England and Wales * Digital Phonorecord Delivery, a

U.S. Copyright Office The United States Copyright Office (USCO), a part of the Library of Congress, is a United States government body that maintains records of copyright registration, including a copyright catalog. It is used by copyright title searchers who are ...

process for sound recording registration

Mental disorders

Dependent personality disorder Dependent personality disorder (DPD) is characterized by a pervasive psychological dependence on other people. This personality disorder is a long-term condition in which people depend on others to meet their emotional and physical needs, with on ...

, over-dependence on others * Depersonalisation disorder, feeling detached from one's self *

Depressive personality disorder Depressive personality disorder (also known as melancholic personality disorder) is a psychiatric diagnosis that denotes a personality disorder with depressive features. Originally included in the American Psychiatric Association's DSM-II, depr ...

, disorder with depressive features

Organic chemicals

* Dihydropyrimidine dehydrogenase, an enzyme * ''N'',''N''-diethyl-''p''-phenylenediamine, a phenylenediamine often used to determine chlorine in water

Police in the United States

* Denver Police Department, Colorado * Detroit Police Department, Michigan *

Dallas Police Department The Dallas Police Department, established in 1881, is the principal law enforcement agency serving the city of Dallas, Texas. Organization The department is headed by a chief of police who is appointed by the city manager who, in turn, is hir ...

, Texas

Politics

* Democratic Party of Germany (Demokratische Partei Deutschlands or "DPD"), liberal party in Germany *

Regional Representative Council The Regional Representative Council ( id, Dewan Perwakilan Daerah, DPD; alternatively translatable as the House of Regions or the House of Regional Representatives or the Senate of Indonesia), is one of two parliamentary chambers in Indonesia ...

( id, Dewan Perwakilan Daerah), a chamber of the Indonesian parliament

Other uses

* DPDgroup, an international parcel-delivery business * ''

Diccionario panhispánico de dudas The ''Diccionario panhispánico de dudas'' (Pan-Hispanic Dictionary of Doubts) or ''DPD'' is an elaborate work undertaken by the Real Academia Española (RAE – Royal Spanish Academy) and the Association of Spanish Language Academies with the goal ...

'' (''Pan-Hispanic Dictionary of Doubts''), Spanish lexicon * Distributed participatory design *

Dorking Deepdene railway station Dorking Deepdene railway station is a railway station in the town of Dorking, Surrey, England. Located on the North Downs Line, it lies from (via ). The station is one of three within Dorking, alongside (elsewhere on the North Downs line) an ...

, England (GBR code: DPD) {{disambig