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"PDs" redirects here. For other uses, see
PDS .
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PD or
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PD , P.D. , or Pd may refer to:
Arts and media
Economics and business
Organizations
Companies
Phelps Dodge , a former American mining company, now part of Freeport-McMoRan
Polyphony Digital , developer of the Gran Turismo video game series
Porter Airlines (IATA airline designator), a regional airline headquartered at Billy Bishop Toronto City Airport, Canada
Government and law
Political parties
Democratic Party of Albania (Partia Demokratike ), a centre-right political party in Albania
Democratic Party (Indonesia) (Partai Demokrat ), a political party in Indonesia
Democratic Party (Italy) (Partito Democratico ), a centre-left political party in Italy
Democratic Party (Malta) (Partit Demokratiku ), a centre-left political party in Malta
Democratic Party (Romania) (Partidul Democrat ), a social-democratic and, later, a centre-right political party in Romania
Democratic Party – demokraci.pl (Partia Demokratyczna – demokraci.pl ), Poland
Party of Democrats (Partito dei Democratici ), a defunct political party in San Marino
People's Democracy (Ireland) , a defunct political organization in Ireland
Progressive Democrats , a defunct political party in the Republic of Ireland
Places
Professions
Science and technology
Medicine
Paleolithic diet , a diet based on presumed ancient diets
Panic disorder , a condition with excessive fear or anxiety
Parkinson's disease , a degenerative neurological condition
Paroxysmal dyskinesia , a group of movement disorders
Pediatric dentistry , mouth health care and tooth repair for children
Peritoneal dialysis , a way to filter the blood when the kidneys are not working well
Personality disorder , any of various psychiatric problems
Peyronie's disease , a connective tissue disorder involving the growth of fibrous plaques in the soft tissue of the penis
Pharmacodynamics , the study of how a drug affects an organism
Phenyldichloroarsine , a blister agent and vomiting agent
Polydipsia , excessive thirst
Progressive disease , a disease that continues to worsen and often has no proven total cure
Psychotic depression , a major depressive episode that is accompanied by psychotic symptoms
Pupillary distance , in optometry
Computing
Pentium D , a dual-core variant of the Pentium 4 processor
Perfect Dark (P2P) , a Japanese peer-to-peer file-sharing (P2P) application designed for use with Microsoft Windows
Phase-change Dual , an optical media format
Pure Data , the graphical audio-processing language
USB PD (USB Power Delivery), an extension of the USB standard
Physics
Other uses in science and technology
Other uses
See also
Topics referred to by the same term