PD

Look up Pd or PD in Wiktionary, the free dictionary.

PD, P.D., or Pd may refer to:

Political parties

• Democratic Party of Albania (Partia Demokratike)
• Democratic Party (Indonesia) (Partai Demokrat)
• Democratic Liberal Party (Romania) (Partidul Democrat)
• Democratic Party (Italy) (Partito Democratico)
• People's Democracy, a defunct political organization in Ireland
• Progressive Democrats, political party in the Republic of Ireland
• Democratic Party – demokraci.pl (Partia Demokratyczna – demokraci.pl) , Poland

Physical sciences

• Palladium (chemical element symbol)
• Partial discharge, an undesirable discharge phenomenon in high voltage dielectrics
• Photodiode
• Potential difference (voltage)

Medicine

• Parkinson's disease, a degenerative neurological condition
• Peritoneal dialysis
• Personality disorder
• Physical Diagnosis, a course in Medical School
• Polydipsia
• Progressive disease, oncology term
• Pupillary distance in optometry
• Paleolithic diet, a diet based on presumed ancient diet

Computer programs

• Perfect Dark (P2P), a Japanese peer-to-peer file-sharing (P2P) application designed for use with Microsoft Windows
• Pure Data the graphical audio-processing language
• PointDragon the general-purpose, web-based visual programming language

Video games

• Perfect Dark (series), a series of video games that includes the following titles:

• Perfect Dark, the first video game in the series for the Nintendo 64
• Perfect Dark (Game Boy Color)

• Pokémon Diamond and Pearl, fourth instalments of Pokémon game
• Polyphony Digital, developer of the Gran Turismo series.
• Princess Daisy, a Nintendo character

Math and computer science

• Prisoner's dilemma
• Axiom of projective determinacy, a proposition in set theory

Places

• Province of Padua, Italy (ISO 3166-2:IT)

Economics and business

• Probability of default, used in finance (Basel II)
• Professional degree, or First professional degree
• Professional development
• Personal development, as used in the self-help and personal growth industry
• Program director

Law, government, and society

• Property damage liability, in insurance
• Public defender
• Public domain
• Police department
• Preventive detention

Other

• Pushing Daisies, an American Broadcasting Company television show
• Period, alternative name for Full stop, as used in coded military communication (e.g., WWII)
• Peu difficile, a French climbing/mountaineering grade
• Phase-change Dual, an optical media format
• Phelps Dodge a former American mining company, now part of Freeport-McMoRan.
• The Plain Dealer (newspaper), Cleveland, Ohio, USA newspaper
• Point-defence as a prefix for weapons
• Porter Airlines (IATA airline designator)
• Post Diaspora, in the Honorverse series of science fiction novels
• Principia Discordia, a holy text in Discordianism
• Privatdozent, title/position especially in the German university
• Production diary, in film-making
• Pumpe Düse, a Volkswagen Group name for Unit Injector diesel engine technology

See also

• Pee Dee

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