CT

See also: Appendix:Variations of "ct"

Translingual

Symbol

CT

1. (international standards, obsolete) Former ISO 3166-1 alpha-2 country code for the Canton and Enderbury Islands from 1974 to 1984.

   Synonym: CTE (alpha-3)

Usage notes

The code was deprecated in favour of KI following the transfer of control to Kiribati in 1979 and the relinquishment of claims over the islands by the United States in 1983.

English

Proper noun

CT

1. Abbreviation of Connecticut: a state of the United States.
2. Initialism of Central Time.
3. (Egyptology) Initialism of Coffin Texts.

Noun

CT (countable and uncountable, plural CTs)

2. (especially medicine) Initialism of computed tomography.

   Hypernyms: tomography < imaging

   • 2025 November 30, David Darlington, “The Shocking Crash That Led Marin County to Reckon With the Dangers of E-Bikes”, in The New York Times Magazine‎, New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 30 November 2025:

     E.M.T.s arrived soon after and transported her to MarinHealth Medical Center, where a CT scan showed bleeding between the skull and the brain.

   1. (countable, especially medicine) A CT scan.

      Hypernyms: tomogram < scan, image

3. (medicine) Initialism of cold turkey.
4. (slang) Initialism of cocktease.
5. (slang) Initialism of camel toe.
6. (military) Abbreviation of combat team.
7. (medicine) Initialism of Chlamydia trachomatis; chlamydia.
   • 2012, California Department of Public Health Sexually Transmitted Diseases Control Branch, California STD Controllers Association, “Executive Summary”, in Guidelines for the Treatment of Chlamydia and Gonorrhea Cases and Exposed Sexual Partners by Health Department Staff in Non-Clinical Settings‎, page 3:

     An appointment with a clinician at which the patient or partner(s) can receive testing and care for all STDs and HIV is the preferred management strategy for CT and GC [gonorrhea] treatment.

Synonyms

• (computed tomography): computed tomography, computed axial tomography, CAT
• (CT scan): CT scan, CAT scan, computed tomography scan, computed axial tomography scan

Derived terms

• (Central Time): CDT, CST
• (computed tomography): angio-CT, CT angiography, CT scan, HRCT, MSCT

Related terms

military

• BCT
• CCT
• DCT
• PCT
• RCT
• SCT

Verb

CT (third-person singular simple present CTs, present participle CTing, simple past and past participle CTed)

1. (transitive, medicine, informal) To perform a CT scan on.
   • 2013, Marc Dauphin, Combat Doctor: Life and Death Stories from Kandahar's Military Hospital, Toronto: Dundurn Press, →ISBN, page 197:

     There's a certain something that emanates from a confused patient that this fellow doesn't have. I sure wish I had more 'terps. Well, we're not going to CT him right away. There are two other fellows before him. “Get a plain film of his head, Tim. […] ”

Adjective

CT (not comparable)

2. (science fiction) Initialism of contraterrene.

Further reading

• CT scan on Wikipedia.Wikipedia

Anagrams

• T&C, TC

Indonesian

Indonesian Wikipedia has an article on:

CT

Wikipedia ^id

Pronunciation

• IPA^(key): /ˈt͡ʃe.te/, [ˈt͡ʃe.t̪e]

Proper noun

CT

1. initialism of Chairul Tanjung

Noun

CT (uncountable)

1. (medicine) initialism of computed tomography

Further reading

• “CT”, in Kamus Besar Bahasa Indonesia [Great Dictionary of the Indonesian Language] (in Indonesian), Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016

Romanian

Proper noun

CT

1. abbreviation of Constanța: a county of Romania