PCA is an abbreviation for:

  • Posterior cerebral artery, " posterior brain artery"
  • Para- chloroamphetamine, a psychoactive research chemical
  • Patch Check Advanced, a program for Solaris (operating system) to manage operating system patches
  • Patient - Controlled Analgesia ( " patient-controlled pain therapy" ), concept of pain therapy
  • PC Action, German Computer Games magazine
  • PC Wizard, a full-time school education at the Lette-Verein and the OSC IMT in Berlin
  • Permanent Court of Arbitration, the Permanent Court at The Hague
  • Pilot Control Assistance a NASA program for controlled steering of aircraft only by jet engine thrust without a rudder use, for use in complete failure of the hydraulic
  • Plastic Cell Architecture, a further development of the FPGA chip
  • Closest Point of Approach, English for: " closest point of approach ", the periapsis
  • PokerStars Caribbean Adventure, the largest held outside of Las Vegas Poker Tournament
  • Polar cap absorption, a disturbance of the ionosphere
  • Policy Certification Authority, top certification authority of a Public Key Infrastructure
  • Pontificia Commissione di Assistenza (Latin for " Pontifical Utilities Commission " ), 1944, founded by Pope Pius XII organization for war refugees, which stands as a network of Nazi escape aid in the criticism
  • Postholder Continuous Airworthiness, Airworthiness Responsible for an aircraft operator
  • Pre -Conditioned Air, airport facilities for aircraft air conditioning
  • Probabilistic Cellular Automata, Mathematical construct of probability theory
  • Presidential Champion Award, American sports badge
  • Principal Component Analysis, English for: principal component analysis, a statistical method
  • Printed circuit assembly, printed circuit board assembly, in contrast to PCBs, the bare boards
  • Professional Chess Association, former Chess Federation for the marketing and organization of the World Chess Championship
  • Prostate cancer ( prostate cancer), also called " prostate cancer " written
  • Protein - fragment complementation assay, biochemical method for isolating an antibody from an antibody library
  • Disambiguation
  • Abbreviation