Editing CD (disambiguation)

{{Wiktionary|CD|Cd|cD|cd}}
{{Wiktionary|.cd|C.D.}}

A '''CD''' or [[compact disc]] is a thin plastic silvery disc for audio recordings.

'''CD''' or '''cd''' may also refer to:
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==Science and technology==
===Astronomy and cosmology===
* [[Cordoba Durchmusterung]], a star catalog of the southern sky
* [[Cosmological decade]] or CÐ, a unit of time
* [[Type-cD galaxy]], a galaxy morphology classification

===Biology, ecology, and medicine===
* [[Coeliac disease]], long term autoimmune disorder causing intolerance to gluten
* [[Conduct disorder]], a psychological disorder
* [[Conservation Dependent]] or LR/cd, an IUCN category
* [[Cluster of differentiation]], a protocol used for the identification of cell surface molecules on white blood cells
* [[Crohn's disease]]
* [[Chlordane]]
*[[Communicable disease]]

===Computing===
* [[CD-ROM]], compact disc technology applied for use in computer data
* [[cd (command)]], a shell command to change the current working directory
* [[continuous delivery]], a software development design practice
* [[continuous deployment]], a software development design practice 
* collision detection, [[CSMA/CD]]

===Mathematics===
* [[cd (elliptic function)]], one of Jacobi's elliptic functions

===Other uses in science and technology===
* [[Cadmium]], symbol Cd, a chemical element
* [[Candela]] or cd, a unit of light intensity
* -CD, the [[North American call sign]] suffix for Class A low-power television stations operating with digital signals
* [[Circular dichroism]], a form of spectroscopy
* [[Photolithography#Resolution in projection systems|Critical Dimension]], the minimum feature size that a projection system can print in photolithography
* [[Drag coefficient]] or ''c<sub>d</sub>'', a dimensionless quantity used to quantify the drag of an object in a fluid
* [[Cluster decay]], a rare mode of nuclear decay

==Businesses and organizations==

===Government, military, and political===
* [[Canadian Forces' Decoration]], by post-nominal letters
* [[Centre Democrats (Denmark)]], a Danish former political party
* [[Centre Democrats (Netherlands)]], a former political party of the Netherlands
* ''[[Centro Democratico]]'', a political party in Italy
* [[Christian democracy]], a political ideology
* [[Civil defense]], an effort to protect the citizens of a state from military attack and natural disasters
* [[Community of Democracies]], an intergovernmental organization of democracies and democratizing countries
* [[Conference on Disarmament]], an international forum that negotiates multilateral arms control and disarmament agreements
* ''[[Corps Diplomatique]]'', the collective body of foreign diplomats accredited to a particular country or body
* [[FBI Counterintelligence Division]], the United States Federal Bureau of Investigation's division responsible for investigating espionage

===Other business and organizations===
* [[Certificate of deposit]], a bank account in the United States with a fixed maturity date
* [[České dráhy]] or ČD, a railway operator of the Czech Republic
* [[Commander of the Order of Distinction]], a rank in the Jamaican Orders of Societies of Honour

==Places==
* [[Central District, Seattle]], a district in Seattle
* [[Democratic Republic of the Congo]], by ISO 3166-1 alpha-2 country code
** [[.cd]], the Internet domain of the Democratic Republic of the Congo
* cd., abbreviation for [[caddesi]], street, in Turkish

==Other uses==
* [[400 (number)]], written CD in Roman numerals
* [[205 (number)]], written CD in hexadecimal
* [[AD 400]] (CD), a year of the Common Era
* [[C.D (Criminal or Devil)]], a psychological thriller movie
* "CD", a song by [[T2 (band)]]
* cd, for [[cord (unit)]] of volume of wood
* [[Geely CD]], a coupe automobile made by Geely Automobile
* [[Cairo Damascus]] or Damascus Document, a text found among the Dead Sea Scrolls
* Committee Draft, a status in the [[International Organization for Standardization]]
* [[Companion dog (title)]], a title offered to dogs by the American Kennel Club for dog obedience
* [[Cross-dressing]], the act of wearing clothing associated with the opposite sex
* [[Corendon Dutch Airlines]] (IATA code)
* [[Sega CD]], also known as the Sega Mega-CD, a CD-ROM accessory and format for the Sega Genesis produced by Sega as part of the fourth generation of video game consoles
** [[Sonic CD]], a 1993 platform game developed and published by Sega for the Sega CD
* [[Bitter CD]], a luxury hatchback coupé
* [[Cúcuta Deportivo]], a Colombian football club

==See also==
{{canned search|cd}}
* {{srt|1}}
* [[CDS (disambiguation)]]
* [[CeeDee (disambiguation)]]
* [[C&D (disambiguation)]]

{{Disambiguation}}