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, a public-key query method *

Densely packed decimal Densely packed decimal (DPD) is an efficient method for binary encoding decimal digits. The traditional system of binary encoding for decimal digits, known as binary-coded decimal (BCD), uses four bits to encode each digit, resulting in signi ...

, 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) individua ...

* Dissipative particle dynamics, 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 Prepara ...

* EU

Data Protection Directive The Data Protection Directive, officially Directive 95/46/EC, enacted in October 1995, is a European Union directive which regulates the processing of personal data within the European Union (EU) and the free movement of such data. The Data Pro ...

* Development Plan Document, in town and country planning in England and Wales * Digital Phonorecord Delivery, a U.S. Copyright Office 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, disorder with depressive features

Organic chemicals

* Dihydropyrimidine dehydrogenase, an enzyme * ''N'',''N''-diethyl-''p''-phenylenediamine, a

phenylenediamine Phenylenediamine may refer to: * ''o''-phenylenediamine or OPD, a chemical compound C6H4(NH2)2 * ''m''-phenylenediamine or MPD, a chemical compound C6H4(NH2)2 * ''p''-phenylenediamine or PPD, a chemical compound C6H4(NH2)2 * ''N,N''-dimethyl-''p'' ...

often used to determine chlorine in water

Police in the United States

Denver Police Department The Denver Police Department (DPD) is the full service police department jointly for the City and County of Denver, Colorado, which provides police services to the entire county, including Denver International Airport, and may provide contractu ...

, Colorado *

Detroit Police Department The Detroit Police Department (DPD) is a municipal police force based in and responsible for the U.S. city of Detroit, Michigan. Founded in 1865, it has nearly 2,500 officers, making it the largest law enforcement organization in Michigan. Histo ...

, 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 The Democratic Party of Germany (german: Demokratische Partei Deutschlands, DPD) was founded in 1947 as a German liberal party and is the forerunner of the Free Democratic Party (FDP) in the current Federal Republic of Germany. History Shortly ...

(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 Indonesi ...

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

Other uses

DPDgroup DPDgroup (legally GeoPost SA) is an international parcel delivery service for sorter compatible parcels based in Issy les Moulineaux, France. Until 2015 DPD stood for Dynamic Parcel Distribution. Its brands are DPD, Colissimo, Chronopost, Seu ...

, 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 Participatory design (originally co-operative design, now often co-design) is an approach to design attempting to actively involve all stakeholders (e.g. employees, partners, customers, citizens, end users) in the design process to help ensure t ...

* Dorking Deepdene railway station, England (GBR code: DPD) {{disambig