CT or ct may refer to:

In arts and media

* '' c't'' (''Computer Technik''), a German computer magazine * '' Carrick Times'', Northern Irish newspaper * Freelancer Agent Connecticut (C.T.), a fictional character in the web series ''Red vs. Blue'' *

Christianity Today ''Christianity Today'' is an evangelical Christian media magazine founded in 1956 by Billy Graham. It is published by Christianity Today International based in Carol Stream, Illinois. ''The Washington Post'' calls ''Christianity Today'' "eva ...

, an American evangelical Christian magazine

Businesses and organizations

* CT Corp, an Indonesian conglomerate * CT Corporation, an umbrella brand for two businesses: CT Corporation and CT Liena * C/T Group, formerly Crosby Textor Group, social research and political polling company * Canadian Tire, a Canadian company engaged in retailing, financial services and petroleum * Calgary Transit, the public transit service in Calgary, Alberta, Canada * Central Trains (National Rail abbreviation), a former train operating company in the United Kingdom *

Czech Television Czech Television ( ; abbreviation: ČT) is a public television broadcaster in the Czech Republic, broadcasting six channels. Established after breakup of Czechoslovakia in 1992, it is the successor to Czechoslovak Television founded in 1953. H ...

, the public television broadcaster in the Czech Republic * Community Transit, the public transit service in Snohomish County, Washington, U.S. * Comunión Tradicionalista, a former Spanish political party * CT (TV channel), a Filipino cable and satellite television network

Finance

Centime Centime (from ) is French language, French for "Cent (currency), cent", and is used in English as the name of the fraction currency in several Francophone countries (including Switzerland, Algeria, Belgium, Morocco and France). In France, the ...

(ct), the French for "cent", used in English in several Francophone countries * Stotinki (ст), the currency of Bulgaria

Places

* CT postcode area, for Canterbury and surrounding areas in south-eastern England *

Connecticut Connecticut ( ) is a U.S. state, state in the New England region of the Northeastern United States. It borders Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the south. ...

(United States postal abbreviation) *

Province of Catania The province of Catania (; ) was a province in the autonomous island region of Sicily, Italy. Its capital was the city of Catania. It had an area of and a total population of about 1,116,917 as of 31 December 2014. Historically known also as ...

(vehicle registration code), Sicily, Italy *

Central African Republic The Central African Republic (CAR) is a landlocked country in Central Africa. It is bordered by Chad to Central African Republic–Chad border, the north, Sudan to Central African Republic–Sudan border, the northeast, South Sudan to Central ...

(FIPS Pub 10-4 code and obsolete NATO diagram) * Canton and Enderbury Islands (obsolete ISO 3166 country code), part of the Phoenix Islands in the Pacific Ocean *

Cape Town Cape Town is the legislature, legislative capital city, capital of South Africa. It is the country's oldest city and the seat of the Parliament of South Africa. Cape Town is the country's List of municipalities in South Africa, second-largest ...

(capital city of the Western Cape, South Africa) * Ct, for "Court"; a street suffix as used in the US

Science and technology

Biology and medicine

* Haplogroup CT, Y-DNA haplogroup. *

CT scan A computed tomography scan (CT scan), formerly called computed axial tomography scan (CAT scan), is a medical imaging technique used to obtain detailed internal images of the body. The personnel that perform CT scans are called radiographers or ...

or X-ray computed tomography, a medical imaging method *

Calcitonin Calcitonin is a 32 amino acid peptide hormone secreted by parafollicular cells (also known as C cells) of the thyroid (or endostyle) in humans and other chordates in the ultimopharyngeal body. It acts to reduce blood calcium (Ca2+), opposing the ...

(symbol CT), a hormone produced in the thyroid gland * Calibrated automated thrombogram (CT or CAT), a coagulation test * Cardiothoracic surgery, the field of medicine specializing in chest surgery * Chemotype (ct.), a chemically distinct entity in a plant or microorganism * Cognitive therapy, a type of psychotherapy *

Connective tissue Connective tissue is one of the four primary types of animal tissue, a group of cells that are similar in structure, along with epithelial tissue, muscle tissue, and nervous tissue. It develops mostly from the mesenchyme, derived from the mesod ...

, a type of biological tissue *

Chelation therapy Chelation therapy is a medical procedure that involves the administration of chelating agents to remove heavy metals from the body. Chelation therapy has a long history of use in clinical toxicology and remains in use for some very specific medic ...

Chemotherapy Chemotherapy (often abbreviated chemo, sometimes CTX and CTx) is the type of cancer treatment that uses one or more anti-cancer drugs (list of chemotherapeutic agents, chemotherapeutic agents or alkylating agents) in a standard chemotherapy re ...

* Cholera toxin, a toxic protein secreted by ''Vibrio cholerae'' * Threshold Cycle (C_t), see cycle of quantification/qualification * COVID-19 test

Computing

* Intel Ct, a SIMD multithreading programming model developed by Intel * Certificate Transparency, in network security

Other uses in science and technology

* CT Value, in drinking water disinfection * Threshold cycle (C_t), a measure in the cycle of quantification/qualification of a real-time polymerase chain reaction *

Carat (purity) The fineness of a precious metal object (coin, bar, jewelry, etc.) represents the weight of ''fine metal'' therein, in proportion to the total weight which includes alloying base metals and any impurities. Alloy metals are added to increase hard ...

(ct), a measure of the purity of gold and platinum alloys *

Carat (mass) The carat (ct) is a unit of mass equal to , which is used for measuring gemstones and pearls. The current definition, sometimes known as the metric carat, was adopted in 1907 at the Fourth General Conference on Weights and Measures, and s ...

(ct), a unit of mass used for measuring gems and pearls * Continuous-time signal, a varying quantity (a signal) whose domain is a continuum * Center tap, a wire that is connected halfway along one of the windings of a transformer, inductor or a resistor *

Compliant Tower A compliant tower (CT) is a fixed rig structure normally used for the offshore production of oil or gas. The rig consists of narrow, flexible (''compliant'') towers and a piled foundation supporting a conventional deck for drilling and producti ...

, a deepwater offshore oil platform * Convective temperature, in atmospheric science * Current transformer, a kind of transformer used in the electrical power industry

Transportation

* Lexus CT, an automobile * Honda CT series, a series of Honda bikes * Crawler-transporter, a tracked vehicle used to transport the Space Shuttle from Vehicle Assembly Building to Launch Complex 39 * Civil Air Transport (IATA code) * Training cruiser, a U.S. Navy hull classification * Cybertruck

Other uses

* Ct, a

typographic ligature In writing and typography, a ligature occurs where two or more graphemes or letters are joined to form a single glyph. Examples are the characters and used in English and French, in which the letters and are joined for the first ligature ...

* ''c. t.'' (cum tempore, Latin for "with time"), indicates that a lecture will begin a quarter-hour after the stated time; see Academic quarter *

Central Time Zone The North American Central Time Zone (CT) is a time zone in parts of Canada, the United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It ...

, a time zone in Canada, the United States, and Mexico * Coffin Texts *

Conspiracy theory A conspiracy theory is an explanation for an event or situation that asserts the existence of a conspiracy (generally by powerful sinister groups, often political in motivation), when other explanations are more probable.Additional sources: * ...

or theorist *

Counter-terrorism Counterterrorism (alternatively spelled: counter-terrorism), also known as anti-terrorism, relates to the practices, military tactics, techniques, and strategies that governments, law enforcement, businesses, and intelligence agencies use to co ...

* Cryptologic technician, a United States Navy enlisted rating or job specialty *

Chinese Taipei "Chinese Taipei" is the term used in various international organizations and tournaments for groups or delegations representing the Republic of China (ROC), a country commonly known as Taiwan. Due to the One China principle stipulated by the ...

, the name used by Taiwan in some international organizations due to political pressure from the People's Republic of China * ct followed by a number means the number of items contained in a cardboard (e.g. zucchini 3 ct) * Corps Turd, etymologically "Cadet in Training", member of the Texas A&M Corps of Cadets that is not in the band