The abbreviation DPD may stand for:

Computing

* Dead Peer Detection, an IPSec VPN feature * Delegated Path Discovery, a public-key query method * Densely packed decimal, a system of binary encoding for decimal digits

Engineering and technology

Dew point depression The dew point depression (T-Td) is the difference between the temperature and dew point temperature at a certain height in the atmosphere. A lower dew point depression indicates that the air is more moist at a given temperature. For a constant te ...

* Diffusion pressure deficit * Digital pre-distortion, a subset of multidimensional digital pre-distortion 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 modeling, 3D models (such as solid models, 3D Product and manufacturing information, PMI and associated metadata) within 3D computer-aide ...

* 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 was a European Union directive in the field of occupational safety and health and consumer protection that came into force in 30 July 1999. It complemented the Dangerous Substances Directive (67/548/EEC) an ...

* EU

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

* 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 *

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

, Colorado *

Detroit Police Department The Detroit Police Department (DPD) is the primary law enforcement agency of the city of Detroit, Michigan, United States. Founded in 1865, it has nearly 2,630 officers, making it the largest law enforcement organization in the state. In additio ...

, 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

Mental disorders

Dependent personality disorder Dependent personality disorder (DPD) is a personality disorder 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 ...

, over-dependence on others *

Depersonalization-derealization disorder Depersonalization-derealization disorder (DPDR, DDD) is a mental disorder in which the person has persistent or recurrent feelings of depersonalization and/or derealization. Depersonalization is described as feeling disconnected or detached fro ...

, feeling detached from one's self *

Depressive personality disorder Depressive personality disorder, also known as melancholic personality disorder, is a former psychiatric diagnosis that denotes a personality disorder with depressive features. Originally included in the American Psychiatric Association's ...

, disorder with depressive features

Organic chemicals

Dihydropyrimidine dehydrogenase In enzymology, a dihydropyrimidine dehydrogenase (NADP+) () is an enzyme that catalysis, catalyzes the chemical reaction :5,6-dihydrouracil + NADP+ \rightleftharpoons uracil + NADPH + H+ Thus, the two substrate (biochemistry), substrates of th ...

, 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 Related compounds * ''N ...

often used to determine chlorine in water

Politics

* Democratic Party of Germany (), liberal party in Germany *

Regional Representative Council The Regional Representative Council (, 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. Together with the House o ...

(), a chamber of the Indonesian parliament

Other uses

* DPD, a subsidiary of international parcel-delivery business Geopost * (''Pan-Hispanic Dictionary of Doubts''), Spanish lexicon * Distributed

participatory design Participatory design (originally co-operative design, now often co-design and also co-creation ) is an approach to design attempting to actively involve all stakeholders (e.g. employees, partners, customers, citizens, end users) in the design pro ...

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