CD (disambiguation)

CD, or compact disc, is a thin plastic silvery disc for audio recordings.

CD or cd may also refer to:

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 .cd, the Internet domain of the Democratic Republic of the Congo 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

Mathematics cd (elliptic function), one of Jacobi's elliptic functions 400 (number), written CD in Roman numerals AD 400 (CD), a year of the Common Era 205 (number), written CD in hexadecimal

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 Critical Dimension, the minimum feature size that a projection system can print in photolithography Drag coefficient or cd, a dimensionless quantity used to quantify the drag of an object in a fluid Cluster decay, a rare mode of nuclear decay

Government, military, and political Commander of the Order of Distinction, a rank in the Jamaican Orders of Societies of Honour 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 Citizen's dividend, proposed policy based upon the Georgist principle that the natural world is the common property of all people 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

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

Transport ČD, short for České dráhy (), the main train company in the Czech Republic Chandrapur railway station (Station code: CD), Maharashtra, India Corendon Dutch Airlines (IATA code) Geely CD, a coupe automobile made by Geely Automobile Bitter CD, a luxury hatchback coupé

Arts and entertainment C.D (Criminal or Devil), a 2024 Indian psychological thriller film "CD", a song by T2 (band) Sonic CD, a 1993 platform game developed and published by Sega for the Sega CD

Other uses cd, for cord (unit) of volume of wood 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 Cúcuta Deportivo, a Colombian football club Certificate of deposit, in the United States, a bank-issued financial instrument that matures on a fixed date but typically has higher interest than a savings account

CD (disambiguation)

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