TOS may refer to:

General

The original series ''Star Trek'' is an American science fiction television series created by Gene Roddenberry that follows the adventures of the starship and its crew. It later acquired the retronym of ''Star Trek: The Original Series'' (''TOS'') to distinguis ...

of a particular media, in contrast to a

spin-off Spin-off may refer to: *Spin-off (media), a media work derived from an existing work *Corporate spin-off, a type of corporate action that forms a new company or entity * Government spin-off, civilian goods which are the result of military or gove ...

Chemistry

Tosyl In organic chemistry, a toluenesulfonyl group (tosyl group, abbreviated Ts or Tos) is a univalent functional group with the chemical formula –. It consists of a tolyl group, –, joined to a sulfonyl group, ––, with the open valence on s ...

, a chemical group *

Gy's sampling theory Gy's sampling theory is a theory about the sampling of materials, developed by Pierre Gy from the 1950s to beginning 2000sGy, P (2004), Chemometrics and Intelligent Laboratory Systems, 74, 61-70. in articles and books including: *(1960) Sampling no ...

(abbreviation)

Entertainment

* ''

Star Trek: The Original Series ''Star Trek'' is an American science fiction television series created by Gene Roddenberry that follows the adventures of the starship and its crew. It later acquired the retronym of ''Star Trek: The Original Series'' (''TOS'') to distinguis ...

'', a science fiction TV series originally known as ''Star Trek'' * '' Tree of Savior'', a multiplayer online role playing game published by IMC Games in 2016

Medicine

* Thoracic outlet syndrome, a medical condition *

Toxic oil syndrome Toxic oil syndrome (TOS) or simply toxic syndrome (Spanish: ''síndrome del aceite tóxico'' or ''síndrome tóxico'') is a musculoskeletal disease. A 1981 outbreak in Spain which affected about 20,000 people, with over 300 dying within a few mo ...

, caused by consuming non-food grade oil

Organizations

The Oceanography Society The Oceanography Society (TOS) is a nonprofit society founded in 1988, based in Rockville, Maryland, U.S. and incorporated in the District of Columbia. It is an oceanographical organization that aims to promote communication among oceanographers ...

Theosophical Order of Service The Theosophical Order of Service (TOS) is an international organization founded in 1908 by Annie Besant, the second International President of the Theosophical Society. Its motto is: "A union of those who love in the service of all that suffers." ...

, an international organization *

Temple of Set The Temple of Set is an occult initiatory order founded in 1975. A new religious movement and form of Western esotericism, the Temple espouses a religion known as Setianism, whose practitioners are called Setians. This is sometimes identified ...

, an occult society *

Tennessee Ornithological Society The Tennessee Ornithological Society (TOS) is an independent non-profit educational, scientific, and conservation organization in Tennessee, United States, dedicated to the study and conservation of birds. It was formed in 1915 and has published a ...

Trucial Oman Scouts The Trucial Oman Scouts was a paramilitary force that the British raised in 1951 as the Trucial Oman Levies, to serve in the Trucial States. In 1956, the Levies were renamed the Trucial Oman Scouts. In 1971, upon the formation of the United Arab ...

, UK force raised in Oman in 1951

Other uses

TOS-1 TOS-1 (russian: тяжёлая огнемётная система �ОС-1}, Heavy Flamethrower System) is a Soviet 220 mm 30-barrel (original system, Object 634 or TOS-1M) or 24-barrel (Object 634B or TOS-1A) multiple rocket launcher capab ...

, a Soviet thermobaric weapon *

Tam o' Shanter (cap) A tam o' shanter (in the British military often abbreviated to ToS) or "tammie" is a name given to the traditional Scottish bonnet worn by men. The name derives from Tam o' Shanter, the eponymous hero of the 1790 Robert Burns poem. Descriptio ...

Atari TOS TOS (The Operating System) is the operating system of the Atari ST range of computers. This range includes the 520ST and 1040ST, their STF/M/FM and STE variants and the Mega ST/STE. Later, 32-bit machines ( TT, Falcon030) were developed using a ...

(Tramiel Operating System), computer operating system * TOS/360, Tape Operating System/360 *

Tromsø Airport Tromsø Airport ( no, Tromsø lufthavn; ) is an international airport located at Langnes in the Tromsø (city), city of Tromsø in Tromsø Municipality, Troms og Finnmark county, Norway. Situated on the western shore of the island of Tromsøya, i ...

, Norway, IATA code * Type of service, a field in the header of IPv4 packets *

Terminal Operating System A Terminal Operating System, or TOS, is a key part of a supply chain and primarily aims to control the movement and storage of various types of cargo in and around a port or marine terminal. The systems also enables better use of assets, labour ...

, controlling cargo movement *

Testament of Solomon The Testament of Solomon is a pseudepigraphical composite text ascribed to King Solomon but not regarded as canonical scripture by Jews or Christian groups. It was written in the Greek language, based on precedents dating back to the early 1st mil ...

, a pseudepigraphical composite text ascribed to King Solomon *

Thinkorswim Thinkorswim by TD Ameritrade (often stylized and officially branded as thinkorswim, lacking capitalization) is an electronic trading platform by TD Ameritrade used to trade financial assets. It is geared for self-directed stock, options and fut ...

, an electronic trading platform by TD Ameritrade used to trade financial assets *

Town of Salem ''Town of Salem'' is an online multiplayer game with social deduction and strategy elements. It was developed and published by indie game developer BlankMediaGames, and released on December 15, 2014. Early alpha and beta versions were browser ...