PSS
PSS may refer to:
IT Solutions
Primary Support Solutions
Software development
Science
- Packet Switch Stream, a British packet-switched network
- Perceived Stress Scale, a psychological instrument for measuring perceived stress in humans
- Physica Status Solidi, the family of academic journals focused on solid state physics, published by Wiley-VCH
- Plasma sound source, a means of making sonar underwater
- Polystyrene Sulfonic Acid, also known as Sodium polystyrene sulfonate or poly(styrenesulfonate)
- Portosystemic shunt, a disease found in humans, cats and dogs
- Progressive systemic sclerosis, a rare chronic disease
- Probabilistic Signature Scheme, a secure way of creating signatures with RSA (see also: PKCS1#Schemes)
- Practical Salinity Scale, the conductivity ratio of a sea water sample to a standard KCl solution
- Physical symbol system, Hypothesis concerning cognition. Closely connected to AI-research
- Photostationary state, the equilibrium chemical composition under a specific kind of electromagnetic irradiation
Physiologic saline solution
Environmental science and design
- Product service system, a system of consumer access to products, as an alternative to personal product ownership
Other
- Psalms, a book of the Hebrew Bible
- Passenger service system, systems used by airlines to manage reservations, inventory and check-in
- Product Support Services, a Microsoft business unit
- Radio-controlled glider#PSS for Power Scale Soaring, A form of radio controlled model flying
- Paikiasothy Saravanamuttu Stadium, a sporting stadium in Colombo, Sri Lanka
- PSS Silent Pistol, a Soviet-designed silent handgun
- Pinetree Secondary School, a high school in School District 43 Coquitlam
- PSS Sleman for Persatuan Sepakbola Sleman, an Indonesian football club
- PlayStation Store, webshop on the Sony Playstation Network
- PSS-SOF, Precision Strike Suite Special Operations Forces
- PSS, Protective Security Specialist (US Department of State, Bureau of Diplomatic Security Job Title/Qualification)