CID may refer to:

Film

Several Indian films have the mention of ''Criminal Investigation Department'' (as ''C.I.D.'') in their title: * ''C.I.D.'' (1955 film), an Indian Malayalam film * ''C.I.D.'' (1956 film), an Indian Hindi film * ''C. I. D.'' (1965 film), an Indian Telugu film * ''C.I.D.'' (1990 film), an Indian Hindi film * ''CID 999'', an Indian film series including ''

Goa Dalli CID 999 ''Goadalli CID 999'' () is a 1968 Indian Kannada-language spy thriller film written, directed and produced by Dorai–Bhagavan duo. The film starred Rajkumar in the lead role as a detective. Indian actress Lakshmi made her debut in lead role wi ...

'' (1968) and ''

Operation Jackpot Nalli C.I.D 999 ''Operation Jackpot Nalli C.I.D 999'' is a 1969 Indian Kannada-language spy thriller film directed and produced by Dorai–Bhagavan. It stars Rajkumar, Narasimharaju and Rekha. The film is the third in the ''CID 999'' franchise, created al ...

'' (1969)

Television

* ''CID'' (Indian TV series) * ''C.I.D.'' (Singaporean TV series)

Organizations

Police units

* Criminal Investigation Department (disambiguation) * Criminal Investigation Division (disambiguation) *

United States Army Criminal Investigation Division The United States Department of the Army Criminal Investigation Division (CID or DACID), previously known as the United States Army Criminal Investigation Command (USACIDC), is the primary federal law enforcement agency of the United States Depa ...

Other organizations

Center for International Development The John F. Kennedy School of Government, commonly referred to as Harvard Kennedy School (HKS), is the school of public policy of Harvard University, a private university in Cambridge, Massachusetts. Harvard Kennedy School offers master's de ...

, at Harvard University *

Central Institute for the Deaf Central Institute for the Deaf (CID) is a school for the deaf that teaches students using listening and spoken language. The school is located in St. Louis, Missouri near Washington University in St. Louis. History CID was founded in 1914 by ...

, in St. Louis, Missouri *

Central Investigation Department The Central Investigation Department () was the intelligence and counter-intelligence agency of the Central Committee of the Chinese Communist Party (CCP) from 1949 to 1983. In 1983, the Investigation Department and other relevant agencies wer ...

, the intelligence and counter-intelligence agency of the Chinese Communist Party Central Committee from 1949 to 1983 *

Committee of Imperial Defence The Committee of Imperial Defence was an important ''ad hoc'' part of the Government of the United Kingdom and the British Empire from just after the Second Boer War until the start of the Second World War. It was responsible for research, and so ...

, a former part of the government of Great Britain and the British Empire * Conseil International de la Danse, an umbrella organization for all forms of dance in the world *

Council of Industrial Design The Design Council, formerly the Council of Industrial Design, is a United Kingdom charity incorporated by royal charter. Its stated mission is "to champion great design that improves lives and makes things better". It was instrumental in the pro ...

, a UK body renamed the Design Council * University of Colombo, Centre for Instrument Development, in Sri Lanka

Science and technology

Biology and medicine

* ''

Clinical Infectious Diseases ''Clinical Infectious Diseases'' is a peer-reviewed medical journal published by Oxford University Press covering research on the pathogenesis, clinical investigation, medical microbiology, diagnosis, immune mechanisms, and treatment of disease ...

'', a medical journal * Cytomegalic inclusion disease * Chromosomal Interacting Domain, a self-interacting domain in bacteria

Chemistry

Collision-induced dissociation Collision-induced dissociation (CID), also known as collisionally activated dissociation (CAD), is a mass spectrometry technique to induce fragmentation (chemistry), fragmentation of selected ions in the gas phase. The selected ions (typically m ...

, a mass spectrometry mechanism * Compound identification number, a field in the

PubChem PubChem is a database of Chemistry, chemical molecules and their activities against biological assays. The system is maintained by the National Center for Biotechnology Information (NCBI), a component of the National Library of Medicine, which ...

database *

Configuration interaction Configuration interaction (CI) is a post-Hartree–Fock linear variational method for solving the nonrelativistic Schrödinger equation within the Born–Oppenheimer approximation for a quantum chemical multi-electron system. Mathemati ...

doubles, in quantum chemistry

Computing and telecommunications

Caller ID Caller identification (Caller ID) is a telephone service, available in analog and digital telephone systems, including voice over IP (VoIP), that transmits a caller's telephone number to the called party's telephone equipment when the call is ...

, a telephone service that transmits the caller's telephone number to the called party * Card Identification Number, a security feature on credit cards *

Cell ID A GSM Cell ID (CID) is a generally unique number used to identify each base transceiver station (BTS) or sector of a BTS within a location area code (LAC) if not within a GSM network. In some cases the first or last digit of CID represents cel ...

, used to identify cell phone towers * of the Universidad de La Habana * Certified Interconnect Designer, a certification for printed circuit-board designers *

CID fonts PostScript fonts are font files encoded in outline font specifications developed by Adobe Systems for professional digital typesetting. This system uses PostScript file format to encode font information. "PostScript fonts" may also separately b ...

, a font file format * Customer Induced Damage, a reason for rejection of a

Return merchandise authorization A return merchandise authorization (RMA), return authorization (RA) or return goods authorization (RGA) is a part of the process of returning a product to receive a refund, replacement, or repair to which buyer and seller agree during the product' ...

Other uses in science and technology

Channel-iron deposits Channel iron deposits (CID) are iron-rich fluvial sedimentary deposits of possible Miocene age occupying meandering palaeochannels in the Early to Mid-Cenozoic Hamerlsey palaeosurface of Western Australia. Examples are also known from Kazakhstan. ...

, one of the major sources of saleable iron ore * Controlled Impact Demonstration, a project to improve aircraft crash survivability *

Cubic inch displacement The cubic inch (symbol in3) is a unit of volume in the Imperial units and United States customary units systems. It is the volume of a cube with each of its three dimensions (length, width, and height) being one inch long which is equivalent t ...

, a measurement in internal combustion engines

Other uses

Centro Insular de Deportes Centro Insular de Deportes is an indoor arena in Las Palmas, Spain. It was the home arena of the Spanish ACB League professional basketball team Gran Canaria Gran Canaria (, ; ), also Grand Canary Island, is the third-largest and second-mos ...

, an indoor sports arena in Spain *

Chinatown–International District, Seattle The Chinatown–International District (abbreviated as CID) is a List of neighborhoods in Seattle, neighborhood of Seattle, Washington. It is the center of the city's Asian American community. Within the district are the three neighborhoods kno ...

* '' CID The Dummy'', a video game *

Combat Identification Identification, friend or foe (IFF) is a combat identification system designed for command and control. It uses a transponder that listens for an ''interrogation'' signal and then sends a ''response'' that identifies the broadcaster. IFF systems ...

, the accurate characterization of detected objects for military action *

Common-interest development Common-interest development (CID) is one of the fastest growing types of housing development scheme in the some parts of the world today. They include condominiums, community apartments, planned developments, and stock cooperatives. Benefits ...

, a form of housing *

Community improvement district A business improvement district (BID) is a defined area within whichever businesses elect to pay an additional fee (or assessment) in order to fund projects within the district's boundaries. A BID is not a tax, as taxes fund the government. BID f ...

, an area within which businesses are required to pay an additional tax * The Eastern Iowa Airport (IATA code CID), serving Cedar Rapids, Iowa * ''Corpus des inscriptions de Delphes'', a compendium of ancient Greek inscriptions from Delphi