OST may refer to:

Music

Original soundtrack A soundtrack is a recorded audio signal accompanying and synchronised to the images of a book, drama, motion picture, radio program, television program, or video game; colloquially, a commercially released soundtrack album of music as featured ...

, recorded sound accompanying a production such as a film * O.S.T., an alias of electronic musician Chris Douglas * ''O.S.T.'' (album), by the People Under the Stairs * OS/T (album) by S-type

Science and technology

* Object Storage Target in computing, used by the Lustre file system an others *

Oligosaccharyltransferase Oligosaccharyltransferase or OST () is a membrane protein complex that transfers a 14-sugar oligosaccharide from dolichol to nascent protein. It is a type of glycosyltransferase. The sugar Glc3Man9GlcNAc2 (where Glc=Glucose, Man= Mannose, and ...

, an enzyme * Open-space technology, for organising meetings * Open Systems Theory, a form of sociotechnical systems pioneered by

Fred Emery Frederick Edmund Emery (August 27, 1925 – April 10, 1997) was an Australian psychologist specializing in the field of organizational development, particularly in the theory of participative work design structures, such as self-managing teams ...

* Orbit stabiliser theorem in mathematics *

Offline 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 Microsoft file format *

OST Family Members of the organic solute transporter (OST) familyTC# 2.A.82 (''Slc51'' genes) have been characterized from a small bottom feeding species of fish called the little skate, '' Raja erinacea''. Members have also been characterized from humans and ...

(organic solute transporter) of genes *

Origins Space Telescope Origins Space Telescope (''Origins'') is a concept study for a far-infrared survey space telescope mission.vulnerability Vulnerability refers to "the quality or state of being exposed to the possibility of being attacked or harmed, either physically or emotionally." The understanding of social and environmental vulnerability, as a methodological approach, involves ...

that is open-source

Organizations

Office of Science and Technology The Office of Science and Technology (OST), later (briefly) named the Office of Science and Innovation, was a non-ministerial government department of the British government between 1992 and 2007. The office was responsible for co-ordination of ...

, a British government agency *

Office of Secure Transportation The Office of Secure Transportation (OST) is a highly-specialized law enforcement division of the National Nuclear Security Administration within the United States Department of Energy. The OST's mission is to provide safe and secure transportati ...

, a US government agency *

Order of the Solar Temple The Order of the Solar Temple (, OTS), or simply the Solar Temple, was a new religious movement and secret society, often described as a cult, notorious for the mass deaths of many of its members in several mass murders and suicides throughout ...

, French esoteric cult * Organisation Socialiste des Travailleurs, the Socialist Workers Organisation of Senegal *

Outer Space Treaty The Outer Space Treaty, formally the Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies, is a Multilateralism, multilateral treaty that forms the bas ...

, a treaty regulating international law in outer space.

Places

Ostend–Bruges International Airport Ostend–Bruges International Airport , commonly known simply as Ostend Airport, is an international airport located south southwest of Ostend, Belgium, near the coast and about from central Bruges. Although freight transport is the focus of ...

, Belgium, IATA code * Old Spanish Trail (auto trail)

Other uses

* Ost (surname) {{disambiguation