PGA is an acronym or initialism that may stand for:
Aviation
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IATA code for Page Municipal Airport, Coconino County, Arizona
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ICAO designator for Portugália, regional airline based in Lisbon, Portugal
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Abbreviation for Prince George Airport, British Columbia, Canada
Organizations
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Parliamentarians for Global Action, an international parliamentary group that engage in a range of action-oriented initiatives.
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Peoples' Global Action, a worldwide co-ordination of radical social movements
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Producers Guild of America, an organization representing television producers, film producers and new media producers in the United States
Golf
Organizations and tours
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Professional Golfers' Association (Great Britain and Ireland)
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Professional Golfers' Association of America
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PGA of Australia
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PGA Tour, United States–based organization (independent of the PGA of America) that operates men's professional golf tours, and the name of the elite tour it runs
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PGA European Tour, Europe-based organization (independent of the PGA of Great Britain and Ireland) that operates men's professional golf tours
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PGA Tour of Australasia, formerly the PGA Tour of Australia
Tournaments
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PGA Championship, one of the four men's major golf championships, organized by the PGA of America
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Women's PGA Championship
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Senior PGA Championship
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BMW PGA Championship, a professional golf tournament on the European Tour, founded by the PGA of Great Britain and Ireland
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PGA Seniors Championship
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Australian PGA Championship
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New Zealand PGA Championship
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South African PGA Championship
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Indonesia PGA Championship
Science
Chemistry
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3-Phosphoglyceric acid (or glycerate 3-phosphate), a chemical substance that is a metabolic intermediate in both glycolysis and the Calvin cycle
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Polyglutamic acid, a polymer of the glutamic acid (one of proteinogenic amino acids)
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Polyglycolic acid, another name for polyglycolide
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Propylene glycol alginate (E405), an emulsifier, stabilizer, and thickener used in food products
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Prostaglandin of the A type
Geology / Seismology
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Peak ground acceleration, measure of ground acceleration during an earthquake
Language
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pga, ISO 639-3 language code for Juba Arabic (also known as Sudanese Creole Arabic) language
Mathematics
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Principal geodesic analysis, a generalization of principal component analysis
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Projective Geometric Algebra or Plane-based Geometric Algebra
Medicine
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Pentagestrone acetate, a progestin
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Polyglandular autoimmune syndromes, another name for autoimmune polyendocrine syndromes
Technology
Computing
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Perl Golf Apocalypse, a Perl coding competition
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Program Global Area, a memory region for the server processes in Oracle
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Professional Graphics Adapter or Professional Graphics Array, other names for Professional Graphics Controller, an IBM XT graphics card intended for the CAD market
Electronics
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Pin grid array, a type of packaging for integrated circuits
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Programmable-gain amplifier, an amplifier whose gain can be changed during its operation
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Programmable gate array, a semiconductor device containing programmable logic components and programmable interconnects (vast majority of today's PGAs are field-programmable gate arrays, or FPGAs)
Other
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Panasonic Gobel Awards, annual Indonesian TV awards, from 1997 until 2019
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Paul Gardner Allen (1953–2018), American business magnate, co-founder of Microsoft
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Petro Gazz Angels, a Philippine volleyball team
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Pure grain alcohol, another name for neutral grain spirit
