PST may refer to:

Time zones

Pacific Standard Time The Pacific Time Zone (PT) is a time zone encompassing parts of western Canada, the western United States, and western Mexico. Places in this zone observe standard time by subtracting eight hours from Coordinated Universal Time ( UTC−08:00). ...

, UTC−08:00 (western North America) *

Pakistan Standard Time Pakistan Standard Time (, abbreviated as PKT) is UTC+05:00 hours ahead of Coordinated Universal Time. The time zone is in use during standard time in Asia. History Present day Pakistan had been following UTC+05:30 since 1907 (during the Britis ...

(usually PKT), UTC+05:00 *

Philippine Standard Time Philippine Standard Time (PST or PhST; ), also known as Philippine Time (PHT), is the official name for the time zone used in the Philippines. The country only uses a single time zone, at an UTC offset, offset of UTC+08:00, but has used dayligh ...

(also PHST or PHT), UTC+08:00

Science and technology

* Lead scandium tantalate, a ceramic material * Partial stroke testing of valves *

Penoscrotal transposition Penoscrotal transposition (PST) is a group of congenital defects involving an abnormal spatial arrangement of penis and scrotum In most terrestrial mammals, the scrotum (: scrotums or scrota; possibly from Latin ''scortum'', meaning "hide" ...

, in medicine *

Personal Storage Table In computing, a Personal Storage Table (.pst) is an open proprietary file format used to store copies of messages, calendar events, and other items within Microsoft software such as Microsoft Exchange Client, Windows Messaging, and Microsoft Outlo ...

, a file format used in Microsoft applications *

Planar separator theorem In graph theory, the planar separator theorem is a form of isoperimetric inequality for planar graphs, that states that any planar graph can be split into smaller pieces by removing a small number of vertices. Specifically, the removal of vertic ...

, in graph theory * Pocket set theory, in mathematics *

Post-stall technology In fluid dynamics, a stall is a reduction in the lift coefficient generated by a foil (fluid mechanics), foil as angle of attack exceeds its critical angle of attack, critical value.Crane, Dale: ''Dictionary of Aeronautical Terms, third edition ...

, aircraft control system * Program structure tree, in computer programming *P_st^LM, short-term light flicker metric * ''Puccinia striiformis'' f.sp. ''tritici'', or Wheat yellow rust

Economics and taxes

* The Prebisch–Singer thesis or

Prebisch–Singer hypothesis In economics, the Prebisch–Singer hypothesis (also called the Prebisch–Singer thesis) argues that the price of primary commodities declines relative to the price of manufactured goods over the long term, which causes the terms of trade of pri ...

* Provincial Sales Tax, a sales tax in some Canadian provinces

Places

Trail of Remembrance and Comradeship The Trail of Remembrance and Comradeship (, initials''PST''), also referred to as the Trail Along the Wire (), the Trail Around Ljubljana (), or the Green Ring (), is a gravel-paved recreational and memorial walkway almost long and wide arou ...

(), a walkway in Ljubljana, Slovenia *

Poznań Fast Tram Poznań Fast Tram (, PST, informally: PeSTka, ''pestka'' – drupe, stone fruit) is a stretch of grade-separated tram/light rail line of the tram system in Poznań, Poland. The tracks are set in a cutting or on an overpass, switches allowing ...

(), Poland *

Prestonpans railway station Prestonpans railway station is a railway station serving the mining town of Prestonpans, East Lothian, Scotland. It is located on the North Berwick Line The North Berwick Branch is a short railway branch line built by the North British Rai ...

, East Lothian, Scotland, station code

Other uses

Norwegian Police Security Service The Norwegian Police Security Service (, ) is the police security agency of Norway. The agency was previously known as ''POT'' (' or Police Surveillance Agency), the name change was decided by the Parliament of Norway on 2 June 2001. History an ...

() * Planescape: Torment, a 1999 video game *

Proto-Sino-Tibetan language Proto-Sino-Tibetan (PST) is the linguistic reconstruction of the Sino-Tibetan proto-language and the common ancestor of all languages in it, including the Sinitic languages, the Tibetic languages, Yi, Bai, Burmese, Karen, Tangut, and Naga. ...

* Social Labour Party (Portuguese: ''Partido Social Trabalhista''), a defunct political party in Brazil * , in linguistics, glossing abbreviation for

past tense The past tense is a grammatical tense whose function is to place an action or situation in the past. Examples of verbs in the past tense include the English verbs ''sang'', ''went'' and ''washed''. Most languages have a past tense, with some hav ...

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