TS or Ts may refer to:

Businesses and organizations

Air Transat Air Transat is a Canadian airline based in Montreal, Quebec. Founded in 1986, it is the country's third-largest airline behind Air Canada and WestJet, operating scheduled and charter flights serving 60 destinations in 25 countries. Air Transa ...

(IATA code TS), a Canadian airline *

Tenaris Tenaris S.A. is a global manufacturer and supplier of steel pipes and related services, primarily for the energy industry with nearly 23,000 employees around the world. It is a majority-owned subsidiary company of the Techint Group, which ha ...

(NYSE symbol), a global manufacturer of steel pipe products *

Theosophical Society The Theosophical Society, founded in 1875, is a worldwide body with the aim to advance the ideas of Theosophy in continuation of previous Theosophists, especially the Greek and Alexandrian Neo-Platonic philosophers dating back to 3rd century CE ...

, religious philosophy *

Tidewater Southern Railway The Tidewater Southern Railway was a short line railroad in Central California in the United States. For most of its history, it was a subsidiary of the Western Pacific Railroad. It was originally built as an interurban system, connecting to th ...

(reporting mark TS), a former US railroad *

Trabzonspor Trabzonspor Kulübü is a Turkish sports club located in the city of Trabzon. Formed in 1967 through a merger of several local clubs, the men's football team has won seven Süper Lig championships. Trabzonspor also have a women's football team, ...

, a Turkish Football Club * Transcendental Students, a former radical student group at NYU * TS Ferries, an Estonian ferry line

Linguistics

Ts (digraph) This is a list of digraphs used in various Latin alphabets. Capitalisation involves only the first letter (''ch'' becomes ''Ch'') unless otherwise stated (''ij'' becomes ''IJ''). Letters with diacritics are arranged in alphabetic order accordin ...

, a digraph in the Latin alphabet *

Voiceless alveolar sibilant affricate A voiceless alveolar affricate is a type of affricate consonant pronounced with the tip or blade of the tongue against the alveolar ridge (gum line) just behind the teeth. This refers to a class of sounds, not a single sound. There are several typ ...

(, , or ), a type of consonantal sound **

Tse (Cyrillic) Tse (Ц ц; italics: ), also known as Ce, is a letter of the Cyrillic script. It commonly represents the voiceless alveolar affricate , similar but not identical to the pronunciation of zz in "pizza" or ts in cats. In the standard Iron di ...

(Ц ц), the Cyrillic letter representing the voiceless alveolar affricate *

Tsonga language Tsonga () or Xitsonga ( ''Xitsonga'') as an endonym, is a Bantu language spoken by the Tsonga people of southern Africa. It is mutually intelligible with Tswa and Ronga and the name "Tsonga" is often used as a cover term for all three, ...

(ISO 639 code: ts), of southern Africa

Science and technology

Tensile strength Ultimate tensile strength (UTS), often shortened to tensile strength (TS), ultimate strength, or F_\text within equations, is the maximum stress that a material can withstand while being stretched or pulled before breaking. In brittle materials t ...

, in materials science

Biology and medicine

Transverse section The transverse plane (also known as the horizontal plane, axial plane and transaxial plane) is an anatomical plane that divides the body into superior and inferior sections. It is perpendicular to the coronal and sagittal planes. List of cli ...

, a term used in microscopy when prepared slide has a sample transversely dissected. *

Thymidylate synthase Thymidylate synthase (TS) () is an enzyme that catalyzes the conversion of deoxyuridine monophosphate (dUMP) to deoxythymidine monophosphate (dTMP). Thymidine is one of the nucleotides in DNA. With inhibition of TS, an imbalance of deoxynucleo ...

, the enzyme used to generate thymidine monophosphate *

Tourette syndrome Tourette syndrome or Tourette's syndrome (abbreviated as TS or Tourette's) is a common neurodevelopmental disorder that begins in childhood or adolescence. It is characterized by multiple movement (motor) tics and at least one vocal (phonic) ...

, a neurological condition involving involuntary tics *

Turner syndrome Turner syndrome (TS), also known as 45,X, or 45,X0, is a genetic condition in which a female is partially or completely missing an X chromosome. Signs and symptoms vary among those affected. Often, a short and webbed neck, low-set ears, low hair ...

, a condition in which a female is partly or completely missing an X chromosome

Chemistry

Tennessine Tennessine is a synthetic chemical element with the symbol Ts and atomic number 117. It is the second-heaviest known element and the penultimate element of the 7th period of the periodic table. The discovery of tennessine was officially anno ...

, symbol Ts, a chemical element *

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 Toluene, tolyl group, –, joined to a sulfonyl group, ––, with the open vale ...

, a group in organic chemistry *

Transition state In chemistry, the transition state of a chemical reaction is a particular configuration along the reaction coordinate. It is defined as the state corresponding to the highest potential energy along this reaction coordinate. It is often marked ...

, of a chemical reaction

Electronics and computing

* MPEG transport stream, a digital media container format *

Telesync A telesync (TS) is a bootleg recording of a film recorded in a movie theater, often (although not always) filmed using a professional camera on a tripod in the projection booth. The audio of a TS is captured with a direct connection to the sound ...

, a bootleg recording of a film recorded in a movie theater *

Terminal Services Remote Desktop Services (RDS), known as Terminal Services in Windows Server 2008 and earlier, is one of the components of Microsoft Windows that allow a user to initiate and control an interactive session on a remote computer or virtual machine ...

, a component of Microsoft Windows operating systems * Tip-Sleeve, a standard monaural phone connector *

TypeScript TypeScript is a free and open source programming language developed and maintained by Microsoft. It is a strict syntactical superset of JavaScript and adds optional static typing to the language. It is designed for the development of large app ...

(file extension .ts), a Microsoft programming language

Mathematics

Tabu search Tabu search is a metaheuristic search method employing local search methods used for mathematical optimization. It was created by Fred W. Glover in 1986 and formalized in 1989. Local (neighborhood) searches take a potential solution to a pro ...

, a search method *

Tate–Shafarevich group In arithmetic geometry, the Tate–Shafarevich group of an abelian variety (or more generally a group scheme) defined over a number field consists of the elements of the Weil–Châtelet group that become trivial in all of the completions of ...

, in arithmetic geometry

Transportation

* Twin Spark, an Alfa Romeo car engine technology * Turbine Steamship ( ship prefix) * Training Ship ( ship prefix) *

Telangana State Telangana (; , ) is a state in India situated on the south-central stretch of the Indian peninsula on the high Deccan Plateau. It is the eleventh-largest state and the twelfth-most populated state in India with a geographical area of and 35, ...

(vehicle registration code TS), India * Tunisia (

aircraft registration An aircraft registration is a code unique to a single aircraft, required by international convention to be marked on the exterior of every civil aircraft. The registration indicates the aircraft's country of registration, and functions much lik ...

prefix TS)

Other uses

Teaspoon A teaspoon (tsp.) is an item of cutlery. It is a small spoon that can be used to stir a cup of tea or coffee, or as a tool for measuring volume. The size of teaspoons ranges from about . For cooking purposes and dosing of medicine, a teaspoonf ...

(ts.), a measure in cooking * ISO Technical Specification, e.g. ISO/TS 16949:2009 * TinySex, a slang term in sexual roleplay *

Top Secret Classified information is material that a government body deems to be sensitive information that must be protected. Access is restricted by law or regulation to particular groups of people with the necessary security clearance and need to kn ...

, a security classification *

Transsexual Transsexual people experience a gender identity that is inconsistent with their assigned sex, and desire to permanently transition to the sex or gender with which they identify, usually seeking medical assistance (including sex reassignmen ...

, a person whose gender identity is inconsistent with their assigned sex * TeamSpeak, a proprietary voice-over-Internet Protocol application for audio communication *

TS postcode area The TS postcode area, also known as the Cleveland postcode area,Royal Mail, ''Address Management Guide'', (2004) (or unofficially as the '' Teesside postcode area'') is a group of 29 postcode districts in northern England for ten post towns. Thes ...

, UK *Transition School, a one-year program at the University of Washington; see

Transition School and Early Entrance Program The Transition School and Early Entrance Program (TS and EEP) are two subsequent programs comprising the original early entrance track at the University of Washington's Halbert and Nancy Robinson Center for Young Scholars. The one-year Transition ...