Editing PSS (section)

==Science and technology==
===Biology and medicine===
*[[Perceived Stress Scale]], an instrument for measuring perceived stress in humans
*[[Porcine stress syndrome]], a condition in pigs
*[[Portosystemic shunt]], a disease found in humans, cats and dogs
*[[Progressive systemic sclerosis]], a rare chronic disease
*[[Psychosocial short stature]], a growth disorder that is caused by extreme stress

===Computing===
*[[Packet Switch Stream]], a British packet-switched network
*[[Packet switching]], a method of grouping data that is transmitted over a digital network into packets
*[[Panorama Software Sys-On-Line]]
*[[Passenger service system]], systems used by airlines to manage reservations, inventory and check-in
*Performance supervision system, a software system used to improve the performance of a process plant
*[[Physical symbol system]], a hypothesis in artificial intelligence research
*[[Power system simulator for engineering]] (PSS®E or PSS/E), software to simulate electrical power transmission networks
*[[Probabilistic signature scheme]], a secure way of creating signatures with RSA
*[[Proportional set size]], a measure of computer program memory use

===Physics and chemistry===
*[[Periodic steady-state analysis]], type of simulation
*''[[Physica Status Solidi]]'', a family of academic journals focused on solid state physics
*[[Photostationary state]], the equilibrium chemical composition under a specific kind of electromagnetic irradiation
*[[Plasma sound source]], a means of making sonar underwater
*[[Polystyrene sulfonic acid]], also known as sodium polystyrene sulfonate or poly(styrenesulfonate)
*[[Practical Salinity Scale]], the conductivity ratio of a sea water sample to a standard KCl solution

===Other uses in technology===
*[[PSS silent pistol]], a Soviet-designed silent handgun
*PortaSound PSS series, a [[List of Yamaha products#PortaSound PSS series|series of portable Yamaha keyboards]]
*Power scale soaring, a form of [[Radio-controlled glider#PSS|radio controlled model flying]]
*Power system stabilizer, in power generation; see [[Wide-area damping control]]