TOS may refer to:

General

* Terms of service * The original series 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, 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 science fiction TV series originally known as ''Star Trek'' * ''

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 * ''

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 ...

'', a social deduction game published by BlankMediaGames in 2014 * '' Temple of Shadows'', 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 Mixtape ...

'', 2008 album by G-Unit

Medicine

* Thoracic outlet syndrome, 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, an international organization * Temple of Set, an occult society * Tennessee Ornithological Society * Trucial Oman Scouts, UK force raised in Oman in 1951 * TV Oita, a Japanese TV station

Other uses

* TOS-1, a Soviet thermobaric weapon * Tam o' Shanter (cap) *

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, 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, 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 *