PCT can mean:

Geography

• Pacific Crest Trail, a hiking trail that runs along the west cost of the United States, from Mexico to Canada.

History

• Paleolithic Continuity Theory
• Post-colonial theory

Mathematics

• Percent, abbreviation

Music

• P.C.T, Hip-Hop musicians

Science

• Patient care technician
• Perceptual control theory, a psychological theory of purposeful behavior
• Polychlorinated terphenyl, an industrial chemical and environmental contaminant.
• Porphyria cutanea tarda, a form of porphyria
• Postcoital test, a test for infertility
• Post-cycle therapy
• Procalcitonin
• Proximal convoluted tubule, part of the nephron of the kidney

Society

• Parti Communiste du Togo (in French)
• Parti Communiste Tunisien (in French)
• Parti Congolais du Travail (in French)
• Patent Cooperation Treaty, an international patent law treaty
• Peace Corps Trainee
• Pennsylvania Turnpike Commission agency that maintains the Pennsylvania Turnpike
• Presbyterian Church in Taiwan
• NHS Primary Care Trust, part of the United Kingdom's National Health Service
• Save percentage, an ice hockey and box lacrosse statistic

Technology

• Pennsylvania College of Technology
• Private Communications Technology, an obsolete Internet security protocol
• Program control table, used by CICS
• Programmable Communicating Thermostat
• Production Control Team, a department at Ista North America.

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Source: adapted by the editor from Wikipedia, the free encyclopedia under a copyleft GNU Free Documentation License (GFDL) from the article "PCT"