CI

CI or Ci may refer to:

• Commercial invoice
• Competitive intelligence
• Confidential information
• Continual improvement
• Corporate identity
• Customer intelligence, a discipline in marketing

• California State University, Channel Islands
• Channel Islands High School
• Collegium Invisibile
• Confucius Institute

• Josephites of Belgium, a Catholic congregation
• Christian Identity
• Christian Institute, a British charity which promotes Christian values

• CI Financial, Canadian investment management company
• Charity Intelligence Canada
• China Airlines (IATA code)
• Cigna health services (NYSE symbol)
• Consumers International
• Cycling Ireland
• CI Records, a music record label
• Cambria and Indiana Railroad
• CANZUK International, organisation which promotes cooperation between Canada, Australia, New Zealand and the United Kingdom
• Conservation International, an international environmental non-governmental organization
• Communications International, a former global union federation
• Communist International
• Children International, a non-profit child sponsorship organization
• Cryonics Institute, American nonprofit foundation

• Counterintelligence
• Confidential informant
• Compliance Inspection, a United States Air Force inspection
• Chief inspector, a police rank
• Circle inspector, a junior police rank
• Certificate of identity
• Civilian Internee, a special status of a prisoner during wartime
• Civilian Instructor, an adult volunteer in the British Air Training Corps and Canada Air Cadets

• Ci County, in Hebei, China
• Cayman Islands
• Chile (FIPS country code, obsolete NATO country code)
• Coney Island
• Cocos (Keeling) Islands, an external territory of Australia
• Cook Islands, an island-country in the South Pacific Ocean
• Côte d'Ivoire (ISO country code)
• Channel Islands
• Channel Islands of California
• Carbonia-Iglesias, a province in southern Italy
• Central India, region of India, abbreviated CI
  • Central India Circuit or C. I. Circuit, a Hindi film distribution circuit comprising parts of Madhya Pradesh (Indian state within central India)

• cI protein, a repressor protein of Enterobacteria phage λ
• Cytoplasmic incompatibility, a reproductive system
• Cardiac index
• Ci protein, Cubitus interruptus -protein
• Coital incontinence
• Convergence insufficiency
• Corpulence index
• Cumulative incidence, used as a measure of disease frequency in epidemiology
• Cochlear implant
• Chemical injury syndrome, an increased sensitivity to common chemicals also called multiple chemical sensitivity.
• Chronic illness, a condition that is long-lasting or recurrent
• Contraindication

• .ci, the Internet country code top-level domain (ccTLD) for Côte d'Ivoire
• Common Interface, for a Conditional Access Module
  • CI+, Common Interface Plus
• Computational intelligence
• Configuration item, the fundamental structural unit of a configuration management system
• Core Image, non-destructive image processing technology
• Continuous integration, a software-engineering practice of merging developer code into a main code base frequently
• CodeIgniter, a PHP framework

• Cirrus cloud
• Convective instability

• Conditional independence, a type of relation of random variables in probability theory
• Confidence interval, an interval estimate of a population parameter used in statistics
• 101 (number) (in Roman numerals)
• Compound interest
• Cosine integral (standard mathematical symbols "Ci" and "ci")

• Conical intersection, the location of a discrete degeneracy between two electronic states
• Curie (unit) (Symbol: Ci), a measurement of radioactivity named after Marie Curie
• Copenhagen interpretation, an interpretation of quantum mechanics
• Cubic inch, a unit of volume

• CI group, a type of carbonaceous chondrite meteorite
• Carrier interferometry, a radio and optical communication coding technology
• Chemical ionization, a technique used in mass spectrometry
• Configuration interaction, a post-Hartree–Fock method used in computational chemistry
• Contextual inquiry, a user-centered design research method
• Collective intelligence, a subfield of sociology
• Colour Index International, a reference database of CI numbers for dyes and pigments
• Bavarian C I, a steam locomotive with the Royal Bavarian State Railways
• Compression ignition engine, another name for a diesel engine

• Canadian Idol, a Canadian television series
• Law & Order: Criminal Intent, an American television series
• Crime & Investigation Network
  • Crime & Investigation Network (Australia), Australian cable and satellite network focusing on Crime
  • Crime & Investigation Network (Europe), a pan-European television channel
  • Crime & Investigation Network (South East Asia)

• Ci (poetry), a form of Chinese lyric poetry
• Qi, a central concept in several eastern philosophies
• Categorical imperative, in philosophy
• Colour Index International, a reference database
• Comprehensible input
• Contact improvisation, a dance technique
• CI, postnominal for Companion of the Order of the Crown of India
• Ci, a form of the surname Qi, of the Tungusic peoples

• C1 (disambiguation)
• Cl (disambiguation)

This disambiguation page lists articles associated with the title CI.
If an internal link led you here, you may wish to change the link to point directly to the intended article.