PCA
PCA stands for:
- Arteria cerebri posterior , "posterior cerebral artery "
- Packaging Corporation of America , American manufacturing company
- para -chloramphetamine , a psychoactive research chemical
- Parietal cell antibodies , for Engl .: parietal Cell Antibody ; Autoantibodies that the demise of the parietal cells of the stomach lead
- Parti Communiste Algérien , Algerian Communist Party
- Partido Comunista de Andalucía , Andalusian Communist Party
- Partido Comunista de Aragón , Aragon Communist Party
- Partido Comunista de la Argentina , Argentine Communist Party
- Patch Check Advanced , a program for Solaris (operating system) for managing operating system patches
- Patient-Controlled Analgesia ("patient-controlled pain therapy"), concept of pain therapy
- PC Action , German computer game magazine
- PC assistant , full-time training at the Lette-Verein and at the OSZ IMT in Berlin
- Pennsylvania-Central Airlines, predecessor of Capital Airlines
- Permanent Court of Arbitration , the permanent court of arbitration in The Hague
- Pilot Control Assistance a NASA program for the controlled steering of aircraft using only a jet engine - thrust without the use of rudders for use in the event of a complete hydraulic failure
- Plastic Cell Architecture , a further development of the FPGA chip
- Point of Closest Approach , English for “point of closest approach”, the periapsis
- PokerStars Caribbean Adventure , a poker tournament series
- Polar Cap Absorption , a disruption of the ionosphere
- Policy Certification Authority , the highest certification authority of a public key infrastructure
- Porsche Club of America , the world's largest one-brand car enthusiast club
- Posterior cortical atrophy , (from English: P osterior c ortical a trophy) also Benson's syndrome, a rare form of dementia
- Postholder Continuous Airworthiness , responsible for airworthiness of an aircraft operator
- Pontificia Commissione di Assistenza (Latin for: "Pontifical Aid Commission"), organization for war refugees founded by Pope Pius XII in 1944, which has been criticized as a network of Nazi escape assistance
- Pre-Conditioned Air , airport systems for aircraft air conditioning
- Probabilistic Cellular Automata , mathematical construct of probability theory
- Pro Cantione Antiqua , a British vocal ensemble
- Production Code Administration , the former office of the US film industry to enforce the Hays Code
- Presbyterian Church in America , second largest US Presbyterian church
- Presidential Champion Award , American sports badge
- Principal Component Analysis , English of: principal component analysis , a statistical method
- Printed Circuit Assembly , stocked circuit board , unlike PCBs, the bare boards
- Professional Chess Association , former chess association for marketing and organizing the World Chess Championship
- Prostate cancer (prostate cancer), also spelled "PCa"
- Protein fragment complementation assay , biochemical method for isolating an antibody from an antibody library
pca stands for:
- Santa Inés Ahuatempan Popoloca (ISO-639-3 code), variety of western Popoloca (language) , Otomangue language in the state of Puebla, Mexico
