PCA

PCA or PCa may refer to:

Organizations

Education

• Pasig Christian Academy, a school located in Caniogan, Pasig City, Philippines
• Peoples Christian Academy, a private Christian school in Toronto, Ontario, Canada
• Pensacola Christian Academy, a private Christian school in Pensacola, Florida
• Pittsburgh Classical Academy Middle School, has an academic program that focuses on classical history
• Prestonwood Christian Academy, a private Christian PreK-12 school in Plano, Texas
• Plano Christian Academy, an Evangelical, non-denominational, private, Classical Christian school supporting grades K-12
• Providence Christian Academy (disambiguation), for multiple schools

Trade

• Peanut Corporation of America, a peanut-processor forced out of business after being found to be the source of a massive salmonella outbreak in the United States

Television and film

• People's Choice Awards, an awards show recognizing the people and the work of popular culture
• Production Code Administration, a division of the Motion Picture Association of America

Games

• Professional Chess Association, from 1993 and 1996, a rival organisation to FIDE, the international chess organization
• PokerStars Caribbean Poker Adventure, European Poker Tour event

Sports

• Positive Coaching Alliance, provides training workshops to schools and youth sports organizations (USA)
• Professional Cricketers' Association, representative body of past and present first class cricketers in England and Wales
• Punjab Cricket Association Stadium, Mohali, India

Political

• Parti Communiste Algérien (Algerian Communist Party)
• Partido Comunista de Andalucía (Communist Party of Andalusia)
• Partido Comunista de Aragón (Communist Party of Aragon)
• Partido Comunista de la Argentina (Communist Party of Argentina)

Other

• Popular Culture Association, see The Journal of Popular Culture
• POSC Caesar Association, a standardization organization, custodian of ISO 15926
• Porsche Club of America, an organization of Porsche enthusiasts in the United States and Canada
• Police Complaints Authority (disambiguation)
• Predator Conservation Alliance (USA), founded in 1991, is a conservation group based in Bozeman, Montana, U.S.A

Religion

• Presbyterian Church in America, a Protestant Christian denomination, the second largest Presbyterian body in the United States after the Presbyterian Church (U.S.A.)
• Presbyterian Church of Australia, the largest Presbyterian denomination in Australia

Science and technology

• para-Chloroamphetamine or 4-Chloroamphetamine
• Partial Coherence Analysis, see Modal analysis
• Principal component analysis, a statistical procedure
• Propulsion Controlled Aircraft, a type of aircraft flight control system
• Printed Circuit Assembly or Printed circuit board
• Protocatechuic acid, a polyphenol antioxidant

Medicine, biology, and psychotherapy

• Person Centered Approach, also known as Rogerian psychotherapy, see Carl Rogers
• Personal Care Assistant/Attendant or Patient Care Assistant, a caregiver who assists a person with day-to-day tasks
• Patient-controlled analgesia, any method of allowing a person in pain to administer their own pain relief
• Plate count agar (microbiology), a microbiological growth medium
• Potato carrot agar, a microbiological growth medium similar to potato dextrose agar
• Posterior cortical atrophy, the visual variant of Alzheimer’s disease
• Posterior cerebral artery (neuroscience), a blood vessel to the posterior aspect of the brain (occipital lobe)
• Procainamide, a pharmaceutical antiarrhythmic agent
• Prostate cancer, written as PCa
• Protein-fragment Complementation Assay, a method for the identification of protein–protein interactions in biological systems
• Polymerase cycling assembly, a method for the assembly of large DNA oligonucleotides from shorter fragments.

Computers

• Panda Cloud Antivirus, free cloud-based version of Panda's security software
• pcAnywhere, remote control software by Symantec
• Program Compatibility Assistant, a feature in Windows Vista and Windows 7 that allows programs to run that were designed for earlier versions of Windows
• Prioritized Contention Access, a mechanism for mediating access to a common channel, see Access contention
• Physical configuration audit, in configuration management
• Polymorphous Computer Architectures, see Josep Torrellas

Television, film, and music

• Pacific Coast Academy, the fictional school in which the Nickelodeon television series Zoey 101 is set
• Police Camera Action!, a police video programme made by Optomen Television for ITV and broadcast on the ITV Network and ITV4

Business

• Put and Call Option Agreement, see puts and calls
• Protected concerted activity, employees acting together to protest terms and conditions of employment (USA)
• Prompt Corrective Action, a law which requires penalties for banks which don't meet their capital requirements

Law and courts

• Permanent Court of Arbitration, based in The Hague and the oldest international institution for dispute resolution

Military and government

• Permanent Change of Assignment, describes the reassignment of active duty military personnel to a new unit within the same post
• Personal Capability Assessment, see Employment and Support Allowance (UK)
• Partnership and Cooperation Agreement (EU)

Transportation

• Pre-Conditioned Air, airport facility for ground-based aircraft climatisation with APU (Auxiliary power unit) turned off

Other uses

• Personal carbon allowance, a ration of allowed carbon emissions for individuals, designed to help address human-caused global warming

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