TOS may refer to:

General

* Terms of service * The original series of a particular media, in contrast to a

spin-off Spin-off, Spin Off, Spin-Off, or Spinoff may refer to: Entertainment and media *Spinoff (media), a media work derived from an existing work *''The Spinoff'', a New Zealand current affairs magazine * ''Spin Off'' (Canadian game show), a 2013 Canad ...

Chemistry

Tosyl In organic chemistry, a toluenesulfonyl group (tosyl group, abbreviated Ts or TosIn this article, "Ts", unless otherwise stated, means tosyl, not tennessine.) is a univalent functional group with the chemical formula . It consists of a tolyl ...

, 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'', a name retroactively applied to the 1960s science fiction TV series originally known as ''Star Trek'' * ''

Temple of Shadows ''Temple of Shadows'' is the fifth studio and a concept album by the power metal band Angra and was released in 2004 by Paradoxx Music in Brazil and SPV label Steamhammer in the rest of the world. SPV also released a limited edition containing ...

'', 2004 album by Angra * ''

T·O·S (Terminate on Sight) ''T·O·S (Terminate on Sight)'' is the second and final studio album by rap group G-Unit. It was the group's first album in five years since their previous album, ''Beg for Mercy''.Slava Kuperstein (February 5, 2008)50 Cent Speaks on New Mixtap ...

'', 2008 album by G-Unit * ''

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

'', a social deduction game published by BlankMediaGames in 2014 * ''

Tree of Savior ''Tree of Savior'' (''also known as TOS'') is a free massively multiplayer online role playing game developed by IMC Games. The game was developed by Kim Hakkyu, creator of ''Ragnarok Online'' while the game's background music was done by variou ...

'', a multiplayer online role playing game published by IMC Games in 2016

Medicine

Thoracic outlet syndrome Thoracic outlet syndrome (TOS) is a condition in which there is compression of the nerves, arteries, or veins in the superior thoracic aperture, the passageway from the lower neck to the armpit, also known as the thoracic outlet. There are t ...

, a medical condition * Toxic oil syndrome, 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 Adyar, Theosophical Society. Its motto is: "A union of those who love in the ser ...

, an international organization *

Temple of Set The Temple of Set (ToS) is an occult religious organization 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 sometime ...

, 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 (), known as Trucial Oman Levies prior to 1956, was a predecessor paramilitary force that operated in the Trucial States under British control from 1951 to 1971, after which they were renamed to the Union Defence Force with ...

, UK force raised in Oman in 1951 * TV Oita, a Japanese TV station

Other uses

TOS-1 TOS-1 Buratino (, 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 Solntsepyok) multiple rocket launcher capable of using thermobaric warheads, mounted on a ...

, 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. Description ...

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 ...

(The Operating System, also unofficially known as Tramiel Operating System), computer operating system * TOS/360, Tape Operating System/360 *

Tromsø Airport Tromsø Airport (; ) is an international airport located at Langnes in the city of Tromsø in Tromsø Municipality, Troms county, Norway. Situated on the western shore of the island of Tromsøya, it features a runway aligned 18/36. Owned and op ...

, Norway, IATA code *

Type of service The type of service (ToS) field is the second byte of the IPv4 IPv4 header, header. It has had various purposes over the years, and has been defined in different ways by five Request for Comments, RFCs. Prior to the redefinition, the ToS field cou ...

, 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 mi ...