PDA

Look up PDA in Wiktionary, the free dictionary.

PDA may refer to:

Science and technology

• Personal digital assistant, an electronic device which can include some of the functions of a computer, a cellphone, a music player, and a camera
• Patent ductus arteriosus, a heart defect
• photodiode array, a type of detector
• Polydiacetylenes, a family of conducting polymers
• Potato dextrose agar, a microbiological media for culturing yeast and fungus

Mathematics

• Pitch detection algorithm - a mathematical method of finding the pitch of a signal
• Pushdown automaton - a type of abstract device in automata theory

Politics

• Polo Democrático Alternativo (Alternative Democratic Pole) - a political party in Colombia
• Progressive Democratic Alliance - a past political party in British Columbia, Canada
• Progressive Democrats of America - a faction of the Democratic Party in the United States
• Party of Democratic Action

Organizations

• Parenteral Drug Association - global provider of science, technology and regulatory information and education for the pharmaceutical and biopharmaceutical community
• Pharmacists' Defence Association - membership organization for pharmacists registered within the United Kingdom
• Peruvian Debate Association - organization in charge of inter-school debating in Peru. Holds the Semestral PDA Debate Competition twice every year
• Pakistan Domestic Airlines, the internal National flag carrier which is part of the wider branch of Pakistan International Airlines
• Pinoy Dream Academy - the Philippine franchise of Endemol's Star Academy
• Professional Diving Association
• Professional Drivers Association - former organization from NASCAR that is mostly known for the 1969 Talladega Superspeedway boycott due to the lack of tire grip

Other

• PDA (Aqua Teen Hunger Force episode) - an episode of Aqua Teen Hunger Force
• PDA (song) - a song by the band Interpol
• Past Doctor Adventures - a series of spin-off novels based on the long running BBC science fiction television series Doctor Who
• Public development authority - a type of government-owned corporation established by the laws of the U.S. state of Washington
• Private defense agency
• Pub Design Awards
• Public display of affection
• Continuing professional development - activities (e.g. courses) that contribute toward gaining or keeping professional qualifications or designations

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