| Acronym | Definition |
|---|
| CI➣Continuous Improvement (business quality/productivity assurance) |
| CI➣Caller ID |
| CI➣Counterintelligence |
| CI➣Cubic Inch |
| CI➣Common Interface |
| CI➣City (IRB) |
| CI➣Confidence Interval |
| CI➣Configuration Item |
| CI➣Competitive Intelligence |
| CI➣Continuous Integration |
| CI➣Chile |
| CI➣Customer Information |
| CI➣Conservation International |
| CI➣Christmas Island |
| CI➣Call-In |
| CI➣Check In (IBM) |
| CI➣Corporate Information |
| CI➣Criminal Intent (Law & Order TV series) |
| CI➣Channel Islands (UK) |
| CI➣Cast Iron |
| CI➣Canadian Idol (TV show) |
| CI➣Cote d'Ivoire (country code, top level domain) |
| CI➣Criminal Investigation |
| CI➣Cumulative Incidence (epidemiology) |
| CI➣Configuration Interaction |
| CI➣Corporate Identity |
| CI➣Cayman Islands |
| CI➣Canadian Institute (Ontario, Canada) |
| CI➣Central Indiana |
| CI➣Community Informatics |
| CI➣Capital Investment |
| CI➣Community Involvement |
| CI➣Critical Illness |
| CI➣Critical Infrastructure |
| CI➣Collective Intelligence |
| CI➣Collegiate Institute |
| CI➣Critical Issues |
| CI➣Curie |
| CI➣Copyright Infringement |
| CI➣Correctional Institution |
| CI➣Critical Information |
| CI➣Cirrus (cloud formation) |
| CI➣Certificate of Insurance |
| CI➣Cognitive Impairment |
| CI➣Continuous Infusion |
| CI➣Consumers International (UK) |
| CI➣Crisis Intervention |
| CI➣Consumers' International |
| CI➣CARE International (global humanitarian organization) |
| CI➣Canary Islands |
| CI➣Compression Ignition |
| CI➣Cardiac Index |
| CI➣Credit Insurance |
| CI➣Computer Interface |
| CI➣Chlorine Institute |
| CI➣Contraindicated |
| CI➣Community of Interest |
| CI➣Code Inspection |
| CI➣Case Insensitive (computing) |
| CI➣Clinical Investigation |
| CI➣Communications International |
| CI➣Coney Island (Brooklyn, NY, USA) |
| CI➣Chris Isaak (musician) |
| CI➣Customer Interface |
| CI➣Cochlear Implant (audiological device that restores hearing to the deaf) |
| CI➣Cyberinfrastructure (US NSF) |
| CI➣Cost Index |
| CI➣Cooper Institute |
| CI➣Combination Index (drug treatment) |
| CI➣Categorical Imperative |
| CI➣Counterinsurgency |
| CI➣Correctional Industries (Nebraska) |
| CI➣Clinical Instructor |
| CI➣Confidential Informant |
| CI➣Corrosion Inhibitor |
| CI➣Chief Instructor (various organizations) |
| CI➣Cook Inlet |
| CI➣Curriculum & Instruction (education) |
| CI➣Caritas Italiana (Italian charity) |
| CI➣Component Interface |
| CI➣Chemical Ionization |
| CI➣Commercial Invoice |
| CI➣Control Interface |
| CI➣Constitutional Instrument (Ghana) |
| CI➣Command Interpreter |
| CI➣Calculus Index (dentistry) |
| CI➣Corporate Investment |
| CI➣Colour Index |
| CI➣Cooperazione Italiana (Italian Cooperation) |
| CI➣Cost & Insurance |
| CI➣Cost Incurred |
| CI➣City Inspector |
| CI➣Circle Inspector (India) |
| CI➣Conservación Internacional (Spanish: Conservation International) |
| CI➣Cowl Induction |
| CI➣Carnegie Institute |
| CI➣Construction Inspector |
| CI➣Criminal Investigator |
| CI➣Communist International (also COMINTERN or Third International) |
| CI➣Catcher's Interference (baseball) |
| CI➣Commercial Imagery (US Air Force) |
| CI➣Center Island |
| CI➣Capital Introduction (analyst) |
| CI➣Coeficiente Intelectual (Spanish: Intelligence quotient) |
| CI➣Crime & Investigation (TV series) |
| CI➣Central Islip (Long Island, New York) |
| CI➣Command Information |
| CI➣Commercial Items (FAR Part 12) |
| CI➣Characteristic Impedance |
| CI➣Cell ID |
| CI➣Control Instrumentation |
| CI➣Central Instance (SAP) |
| CI➣Condition Index |
| CI➣Consistency Index |
| CI➣Compassion International (relief charity) |
| CI➣Communications Interface |
| CI➣Complete Integration |
| CI➣Channel Interface |
| CI➣Contour Interval |
| CI➣Core Infrastructure |
| CI➣Complexity International (journal) |
| CI➣Clock Input |
| CI➣Compliance Inspection |
| CI➣Critical Intelligence |
| CI➣Calcineurin Inhibitor (immunosuppressor) |
| CI➣Colonial Inauguration (George Washington University; Washington, DC) |
| CI➣Connection Identifier |
| CI➣Combustion Institute |
| CI➣Coded Information |
| CI➣Cotton Incorporated |
| CI➣Critical Injury |
| CI➣Chemical Injection |
| CI➣Certification Inspection |
| CI➣Control Interval |
| CI➣Control Indicator |
| CI➣Circuit Interrupter |
| CI➣Critical Item |
| CI➣Commissariat à l'Information du Canada (Office of the Information Commissioner of Canada) |
| CI➣Crazy Ivan (Soviet submarine maneuver) |
| CI➣Cluster Interconnect |
| CI➣Charge Injection |
| CI➣Call Indicator |
| CI➣Civilian Instructor (UK Air Cadets) |
| CI➣Constructive Interference (physics) |
| CI➣Central Index |
| CI➣Computer Intelligence (Division of Ziff Davis) |
| CI➣Comunità Incontro (Italian: community encounter) |
| CI➣Contract Item |
| CI➣Counterpart International |
| CI➣Civilian Internee |
| CI➣Chemonics International |
| CI➣Commercial Intelligence |
| CI➣Customer Installation |
| CI➣Consular Invoice |
| CI➣Combat Intelligence |
| CI➣Certificate of Identity (various nations) |
| CI➣Crimson Idol (W.A.S.P music album) |
| CI➣Confidential Intermediary (adoption) |
| CI➣Card Input |
| CI➣Connected Intelligence |
| CI➣Counselor Intern |
| CI➣Complexity Index (Indiana school funding formula) |
| CI➣Contextual Inquiry |
| CI➣Catalogue Item |
| CI➣Computer Interconnect |
| CI➣Combat Identification |
| CI➣Cognition and Instruction (journal) |
| CI➣Circuit Integrity |
| CI➣Corner Infielder (baseball; 1st or 3rd baseman) |
| CI➣Central Impression (printing press with only one impression cylander & multiple colors) |
| CI➣Criminal Informant |
| CI➣Customer Integration |
| CI➣Computers in Industry (journal) |
| CI➣Cervical Incompetence |
| CI➣Compounded Interest |
| CI➣Controlled Irrigation |
| CI➣Curriculum Inquiry |
| CI➣Course Indicator |
| CI➣Certificate of Interpretation |
| CI➣Critical Indicator |
| CI➣Carrier Interferometry |
| CI➣Critical Interface |
| CI➣Congestion Indicator (ATMF) |
| CI➣China Airlines - Taiwan (IATA airline code) |
| CI➣Craft Interface |
| CI➣Content Identifier |
| CI➣Current Interrupt |
| CI➣Controlled Introduction |
| CI➣Schedule I Controlled Substance (USA) |
| CI➣Cerebral Insufficiency |
| CI➣Colegio de Ingenieros de Chile |
| CI➣Command Inspection |
| CI➣Christic Institute (Malibu, CA) |
| CI➣Contents Inventory (insurance) |
| CI➣Commonweal Institute |
| CI➣Containment Isolation |
| CI➣Carrington Institute (fictional, gaming) |
| CI➣Certified Investigator |
| CI➣Clandestine Industries (band) |
| CI➣Containment Integrity |
| CI➣Component Instrumentation |
| CI➣Complex Industries (APICS course) |
| CI➣Chassis Interface |
| CI➣Combat Ineffective |
| CI➣Count Indicator |
| CI➣Critical Instant |
| CI➣Contract Investigator |
| CI➣Consumer Influence |
| CI➣Call Intercept |
| CI➣Crew Interface |
| CI➣Coordinating Installation |
| CI➣Copy Instruction |
| CI➣Client Inquiry |
| CI➣Configuration Inspection |
| CI➣Conducted Interference |
| CI➣Catfish Institute |
| CI➣Calculate then Interpolate |
| CI➣Chemical Inspectorate (Great Britain) |
| CI➣Capability Increment |
| CI➣Configuration Identifier |
| CI➣Comercializadoras Internacionales (Spanish) |
| CI➣Cambria and Indiana Railroad |
| CI➣Cryptographic Interface |
| CI➣Cylinder Index |
| CI➣Calling Indicator |
| CI➣Comptoir Informatique |
| CI➣Codex Iustiniani (Latin: Justinian Codex, Codices And Manuscripts) |
| CI➣Chemically Induced Mutation |
| CI➣Comparison Instruction |
| CI➣Cold Insulated |
| CI➣Comité Intertribal (French: Inter-Tribal Committee) |
| CI➣Classical Imaging |
| CI➣Course Invalid (deviation display) |
| CI➣Concatenation Indication |
| CI➣Caritas Internacionales |
| CI➣Commutation Instant |
| CI➣Crystallization Index |
| CI➣Continuous Interlock |
| CI➣Color Interior Film |
| CI➣Controlled Iteration |
| CI➣Cost Inspector |
| CI➣Contrast Irradiance |
| CI➣Colonel Irvine Junior High (Calgary, Canada) |
| CI➣Class Complexity/Size Due to Inherited Methods |
ci - being one more than one hundred