1. PCA - Noun
2. PCA - Proper noun
(linguistics) Abbreviation of Proto-Central Algonquian.
(US, law) Abbreviation of Posse Comitatus Act. The U.S. law called "Posse Comitatus Act", 20 Stat. 152 aka 18 U.S.C. § 1385
(US, politics, historical) Initialism of Progressive Citizens of America.
(aviation) Abbreviation of propulsion controlled aircraft (system/unit), an aircraft with a control system with two or more engines arrayed abreast, allowing descent, ascent, turns by adjusting the throttle control to the engines (sometimes used attributively).
(statistics) Abbreviation of principal components analysis.
(medicine) Abbreviation of patient-controlled analgesia; palliator.
(anatomy) Initialism of posterior cerebral artery.
Source: en.wiktionary.orgA direct result of these meetings was the establishment of the world's first organisation for the settlement of international disputes: the Permanent Court of Arbitration (PCA). Source: Internet
He had a rare form of the disease, posterior cortical atrophy (PCA), citation in which areas at the back of the brain begin to shrink and shrivel. Source: Internet
Ferry Porsche described the thinking behind the development of the 356 in an interview with the editor of Panorama, the PCA magazine, in September 1972. Source: Internet
By using a third-party Privacy Certification Authority (PCA), the information that identifies the computer could be held by a trusted third party. Source: Internet
In the same interview, he stated that the cognitive part of his mind was "untouched" and his symptoms were physical (normal for PCA). Source: Internet
It provides linguistic, research, administrative support to PCA arbitration tribunals. citation The judges or arbitrators that hear cases are called Members of the Court. Source: Internet