P.S. commonly refers to:
- Postscript, writing added after the main body of a letter
Look up
PS,
P.S., or
ps in Wiktionary, the free dictionary.
PS, P.S., ps, and other variants may also refer to:
- Pastors, ministers in some Christian churches
- Psalms, a book in the Tanakh and Christian Bibles
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
Physics and chemistry
- Ps 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 PS4−xOx3− (x = 0, 1, 2, or 3)
- Polystyrene, a common type of plastic
- Ps, positronium, pseudo-chemical symbol