CRT or Crt most commonly refers to: *

Cathode-ray tube A cathode-ray tube (CRT) is a vacuum tube containing one or more electron guns, which emit electron beams that are manipulated to display images on a phosphorescent screen. The images may represent electrical waveforms on an oscilloscope, a ...

, a display *

Critical race theory Critical race theory (CRT) is an academic field focused on the relationships between Social constructionism, social conceptions of Race and ethnicity in the United States census, race and ethnicity, Law in the United States, social and political ...

, an academic framework of analysis CRT may also refer to:

Law

* Charitable remainder trust, United States * Civil Resolution Tribunal, Canada *

Columbia River Treaty The Columbia River Treaty is a 1961 agreement between Canada and the United States on the development and operation of dams in the upper Columbia River basin for power and flood control benefits in both countries. Four dams were constructed under ...

, Canada–US, 1960s

Science, technology, and mathematics

Medicine and biology

Calreticulin Calreticulin also known as calregulin, CRP55, CaBP3, calsequestrin-like protein, and endoplasmic reticulum resident protein 60 (ERp60) is a protein that in humans is encoded by the ''CALR'' gene. Calreticulin is a multifunctional soluble prot ...

, a protein *

Capillary refill Capillary refill time (CRT) is defined as the time taken for color to return to an external capillary bed after pressure is applied to cause blanching. It can be measured by holding a hand higher than heart-level and pressing the soft pad of a ...

time, for blood to refill capillaries *

Cardiac resynchronization therapy Cardiac resynchronisation therapy (CRT or CRT-P) is the insertion of electrodes in the left and right ventricles of the heart, as well as on occasion the right atrium, to treat heart failure by coordinating the function of the left and right ...

and CRT defibrillator (CRT-D) * Catheter-related thrombosis, the development of a blood clot related to long-term use of central venous catheters * Certified Respiratory Therapist *

Chemoradiotherapy Chemoradiotherapy (CRT, CRTx, CT-RT) is the combination of chemotherapy and radiotherapy to treat cancer. Synonyms include radiochemotherapy (RCT, RCTx, RT-CT) and chemoradiation. It is a type of multimodal cancer therapy. Chemoradiation can be ' ...

, chemo- and radiotherapy combined * Cognitive Retention Therapy, for dementia * Corneal Refractive Therapy, in optometrics *

CRT (genetics) CRT is the gene cluster responsible for the biosynthesis of carotenoids. Those genes are found in eubacteria,Carotenoid biosynthetic pathway: molecular phylogenies and evolutionary behavior of crt genes in eubacteria. Phadwal K, Gene, 17 January 2 ...

, a gene cluster

Social sciences

Cognitive reflection test The cognitive reflection test (CRT) is a task designed to measure a person's tendency to override an incorrect "gut" response and engage in further reflection to find a correct answer. However, the validity of the assessment as a measure of "cogni ...

, in psychology *

Current reality tree (theory of constraints) One of the thinking processes in the theory of constraints, a current reality tree (CRT) is a tool to analyze many systems or organizational problems at once. By identifying root causes common to most or all of the problems, a CRT can greatly aid f ...

, in process management *

Culturally relevant teaching Culturally relevant teaching is instruction that takes into account students' cultural differences. Making education culturally relevant is thought to improve academic achievement, but understandings of the construct have developed over time Key ch ...

, in pedagogy

Technology

* Microsoft C Run-Time library *

SecureCRT SecureCRT is a commercial SSH and Telnet client and terminal emulator by VanDyke Software. Originally a Windows product, VanDyke later added a Mac OS X version in 2010 with release v6.6 and a Linux version in 2011 with release v6.7. History S ...

, formerly CRT, a telnet client * .crt, X.509 Certificate filename extension

Other uses in science and mathematics

Chinese remainder theorem In mathematics, the Chinese remainder theorem states that if one knows the remainders of the Euclidean division of an integer ''n'' by several integers, then one can determine uniquely the remainder of the division of ''n'' by the product of thes ...

, in number theory *

Crater (constellation) Crater is a small constellation in the southern celestial hemisphere. Its name is the latinization of the Greek language, Greek ''krater'', a type of cup used to water down wine. One of the 48 constellations listed by the second-century astronomer ...

, in astronomy (abbreviated )

Transport

Canal & River Trust The Canal & River Trust (CRT), branded as in Wales, holds the guardianship of 2,000 miles of canals and rivers, together with reservoirs and a wide range of heritage buildings and structures, in England and Wales. Launched on 12 July 2012, the ...

, England and Wales *

Changchun Rail Transit Changchun Rail Transit, is the rapid transit and light rail system in the city of Changchun, Jilin, Jilin Province, China. Its first line, Line 3, is the first true light rail line in Mainland China. The system consists of three light rail lines ...

, China *

Chongqing Rail Transit The Chongqing Rail Transit (branded as CRT; also known as Chongqing Metro) is the rapid transit system in the city of Chongqing, China. In operation since 2005, it serves the transportation needs of the city's main business and entertainment ...

, China * Connecticut River Transit, a defunct American bus service * Cross River Tram, a defunct proposal in London, England *

CRT Group CRT Group is an Intermodal freight transport, intermodal transport company in Australia. It was founded in 1954 as Colin Rees Transport, a taxi truck company in Sydney. In 1981 it became known as the CRT Group, and by the time of its acquisition ...

, an Australian transport company *

Chicago Rapid Transit Company The Chicago Rapid Transit Company (CRT) was a privately owned firm providing rapid transit rail service in Chicago, Illinois, and several adjacent communities between 1924 and 1947. The CRT is one of the predecessors of the Chicago Transit Aut ...

, a defunct American rail company *

Colchester Rapid Transit Colchester Rapid Transit, is a bus rapid transit system under construction in Colchester, Essex, England; it has a main bus line including a 1 mile segregated busway alongside the Northern Approach Road, and new bus lanes and priority measures ...

, a rapid-transit system in Colchester, England.

Other uses

Canadian Railway Troops The Corps of Canadian Railway Troops were part of the Canadian Expeditionary Force (CEF) during World War I. Although Canadian railway units had been arriving in France since August 1915, it was not until March 1917 that the units were placed under ...

, WWI *

Claiming Rule Teams The 2012 FIM MotoGP World Championship was the premier class of the 64th Fédération Internationale de Motocyclisme, F.I.M. Road racing, Road Racing World Championship season. Casey Stoner started the season as the defending World Champion, whi ...

, in motorcycle racing *

Connecticut Repertory Theatre Connecticut Repertory Theatre (CRT) at the University of Connecticut is a professional theatre run by the Department of Dramatic Arts, a part of the School of Fine Arts. The complex is located on the main UConn campus in Storrs, Connecticut. Its c ...

, University of Connecticut *

Correctional Emergency Response Team A correctional emergency response team (abbreviated CERT or CRT) is a team of specially trained prison officers tasked with responding to disturbances, riots, cell extractions, mass searches, and other situations in prisons that are likely to inv ...

* Iyojwaʼja Chorote, a language in Salta province, Argentina, ISO 639 code *

Tochigi Broadcasting Tochigi Broadcasting (栃木放送, CRT) is a Japanese radio station covering Tochigi Prefecture is a landlocked Prefectures of Japan, prefecture of Japan located in the Kantō region of Honshu. Tochigi Prefecture has a population of 1,897,6 ...

, a radio station in Tochigi Prefecture, Japan {{disambiguation