Editing PS (section)

== Science and technology ==
=== Units of measurement ===
* [[Petasecond]] (Ps), 10<sup>15</sup> seconds
* [[Picosecond]] (ps), 10<sup>−12</sup> seconds
* ''[[Pferdestärke]]'' (PS), abbreviation of the German term for metric horsepower
* [[Picosiemens]] (pS), SI unit of electric conductance

=== Computing ===
* [[Adobe Photoshop]], a graphics editor and creator by Adobe
* [[MPEG program stream]], an MPEG-2 container format
* [[Parametric Stereo]], feature used in digital audio
* [[PostScript]], a page description language
** .ps, filename extension for a file in PostScript format
* [[ps (Unix)]], an application that displays statistics on running processes
* [[.ps]], the State of Palestine Internet domain extension or top-level domain (ccTLD)
* [[PS Power and Sample Size]], an interactive computer program for power and sample size calculations
* [[Windows PowerShell]], a command line scripting and system management shell for Microsoft Windows

=== Medicine ===
* [[Panayiotopoulos syndrome]], a childhood seizure disorder
* [[Progeroid syndromes]], a group of rare diseases causing premature aging
* [[Pulmonic stenosis|Pulmonary stenosis]] or pulmonic stenosis, obstruction of the pulmonary artery of the heart

=== Physics and chemistry ===
* P{{sub|s}} or [[static pressure]], in fluid mechanics and aviation
* [[Proton Synchrotron]], a 1959 particle accelerator at CERN
* [[Chloropicrin]], a highly toxic chemical compound
* [[Phosphatidylserine]], a phospholipid
* [[Phosphorothioate]] (or thiophosphate), a family of compounds and anions with the general chemical formula PS<sub>4−x</sub>O<sub>x</sub><sup>3−</sup> (x = 0, 1, 2, or 3)
* [[Polystyrene]], a common type of plastic
* Ps, [[positronium]], pseudo-chemical symbol