PAS

PAS or Pas may refer to:

Automotive

• Power-assisted steering, or power steering, in automobiles
• Progressive Activity Sedan, a vehicle category/development idea by BMW

Companies

• PanAmSat, a defunct satellite service provider
• Pan Am Southern, a railroad in the northeast United States
• Pan Am Systems, a transportation holding company
• PepsiAmericas
• Port Autonome de Sihanoukville, the French name for Sihanoukville Autonomous Port

Medicine

• Periodic acid-Schiff stain, a staining method used to detect glycogen in tissues.
• Para-aminosalicylic acid, an old treatment for tuberculosis
• Physician-assisted suicide
• Post-abortion syndrome
• PA-S: Physician Assistant Student, abbreviation used by PA students in patient documentation
• Patient Administration System

Organizations

• PAS Giannina, a Greek football club from Ioannina
• PAS Tehran F.C., a defunct Iranian football club from Tehran
• PAS Hamedan F.C., an Iranian football club from Hamedan
• Pakistan Academy of Sciences
• Pennsylvania Abolition Society
• Percussive Arts Society
• Pioneer Academy of Science
• Portsmouth Abbey School
• Polish Academy of Sciences
• Port Auxiliary Service, the successor to the British Admiralty Yard Craft Service
• Portable Antiquities Scheme
• Pregnancy Advisory Service

Places

• Pas (river), in Spain

Politics

• Pan-Malaysian Islamic Party (PAS), a political party in Malaysia
• Partido Alianza Social, a former Mexican political party

Science

• Periodic acid-Schiff reaction, a staining method for carbohydrates in light microscopy
• Photoacoustic spectroscopy
• Positron annihilation spectroscopy, a spectroscopic technique

Technology

• Media Vision Pro AudioSpectrum, a family personal computer sound cards made by Media Vision in the 1990s
• Pascal, a common file extension (.pas) for the Pascal programming language
• Pascal second (Pa⋅s), a unit of viscosity
• Personal Access System, a wireless telephone standard
• Process Automation System, A process control or automation system is used to control, for example, a chemical plant, oil refineries, paper and pulp mills.
• Public address system
• PAS 78, a British specification on commissioning an accessible website from a design agency

Biology

• PAS domain, a protein domain functioning as a signal sensor

Other

• Parental alienation syndrome
• Patient administration system
• Preliminary alcohol screening test, a breath test administered by a police officer after stopping a suspected drunk driver
• Proceedings of the Aristotelian Society, a philosophical journal
• Process automation system
• Publicly Available Specification, a formal British standards document (sometimes inaccurately referred to as Publicly Available Standard)
• Pump action shotgun
• Pas de deux, a ballet duet

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