CID may refer to:

Film

* ''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

Television

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

Organizations

Police units

Criminal Investigation Department (disambiguation) A criminal investigation department or crime investigation department is a branch of many police forces. It may refer to: *Criminal Investigation Department, UK agency *Criminal Investigation Department (Bangladesh) *Criminal Investigation Departme ...

Criminal Investigation Division (disambiguation) Criminal investigation division may refer to: *FBI Criminal Investigative Division *IRS Criminal Investigation Division *United States Army Criminal Investigation Division *United States Marine Corps Criminal Investigation Division See also

*C ...

United States Army Criminal Investigation Division The United States Army Criminal Investigation Division (USACID), previously known as the United States Army Criminal Investigation Command (USACIDC) is the primary federal law enforcement agency of the United States Department of the Army. Its p ...

Other organizations

Center for International Development The Harvard Kennedy School (HKS), officially the John F. Kennedy School of Government, is the school of public policy and government of Harvard University in Cambridge, Massachusetts. The school offers master's degrees in public policy, public ...

, 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, also known as the auditory-oral approach. The school is located in St. Louis, Missouri. CID is affiliated with Washington Univ ...

* Committee of Imperial Defence, a former part of the government of Great Britain and the British Empire *

Conseil International de la Danse The International Dance Council (CID, standing for French language, French: ''Conseil International de la Danse'') is the umbrella organization for all forms of dance in the world. It is a non-profit international non-governmental organization f ...

, 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 prom ...

, a UK body renamed the Design Council *

University of Colombo, Centre for Instrument Development Centre for Instrument Development (aka CID) is a multidisciplinary research group / centre that is part of the Department of Physics, University of Colombo, Sri Lanka. It offers technical courses in certificate, diploma, undergraduate and postgradu ...

, 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 diseases ...

'', 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 of selected ions in the gas phase. The selected ions (typically molecular ions or protonate ...

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

PubChem PubChem is a database of 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 is part of ...

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. Mathematical ...

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 cells ...

, used to identify cell phone towers * of the

Universidad de La Habana The University of Havana or (UH, ''Universidad de La Habana'') is a university located in the Vedado district of Havana, the capital of the Republic of Cuba. Founded on January 5, 1728, the university is the oldest in Cuba, and one of the first ...

Certified Interconnect Designer Certified Interconnect Designer (CID) is a certification from the IPC Designer's Council for experienced PCB PCB may refer to: Science and technology * Polychlorinated biphenyl, an organic chlorine compound, now recognized as an environmental t ...

, a certification for printed circuit-board designers * CID fonts, a font file format

Other uses in science and technology

* Channel-iron deposits, one of the major sources of saleable iron ore *

Controlled Impact Demonstration The Controlled Impact Demonstration (or colloquially the Crash In the Desert) was a joint project between NASA and the Federal Aviation Administration (FAA) that intentionally crashed a remotely controlled Boeing 720 aircraft to acquire d ...

, a project to improve aircraft crash survivability * Cubic inch displacement, a measurement in internal combustion engines

Other uses

* Centro Insular de Deportes, an indoor sports arena in Spain * '' CID The Dummy'', a video game *

Combat Identification Identification, friend or foe (IFF) is an 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 usual ...

, the accurate characterization of detected objects for military action *

Common-interest development Common-interest development (CID) is the fastest growing form of housing in the world today. They include condominiums, community apartments, planned developments, and stock cooperatives. A CID's ownership benefits are having rights to an undiv ...

, a form of housing * Community improvement district, an area within which businesses are required to pay an additional tax *

The Eastern Iowa Airport Eastern Iowa Airport is in Cedar Rapids, Iowa, on Wright Brothers Boulevard on the south edge of town, west of Interstate 380. CID covers . Airline service The airport has been served almost entirely by regional jets, but also sees De ...

(IATA code CID), serving Cedar Rapids, Iowa * ''Corpus des inscriptions de Delphes'', a compendium of ancient Greek inscriptions from Delphi