Central Iowa Railroad? It could be C I.
http://en.wikipedia.org/wiki/CI
CI may refer to:
[edit] Criminology and Military
Counter-intelligence
Criminal Informant
Confidential Information
Crazy Ivan: a U.S. Navy term for a Soviet submarine maneuver
Compliance Inspection (USAF)
[edit] Finance
The NYSE symbol for CIGNA Corporation
[edit] Locations and Continental Services
Central Islip, New York
Cayman Islands
Chile, FIPS country code and obsolete NATO country code digram
Cocos Island, off the Republic of Costa Rica
Coney Island
Cocos (Keeling) Islands, an external territory of Australia
Christmas Island, an external territory of Australia
Kiritimati, another island by the name of "Christmas Island" in the Pacific Ocean
Côte d'Ivoire, ISO country code digram
The IATA airline designator for China Airlines (Taiwan ROC)
Cryonics Institute
Channel Islands
Qi, in Tongyong Pinyin
[edit] Medicine
Cardiac index
Ci protein, Cubitus interruptus -protein
Convergence insufficiency
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.
[edit] Philosophy
Categorical imperative
[edit] Politics
Certificate of identity
Conservation International
Civilian Internee, a special status of a prisoner during wartime
Companion of the Order of the Crown of India, postnominal
[edit] Science, Technology and Mathematics
CodeIgniter, a php-framework
Computational Intelligence
Common Interface for a Conditional Access Module.
CI+, Common Interface Plus
Continuous integration, a software engineering term.
Configuration interaction, a post-Hartree-Fock method used in computational chemistry.
Confidence interval, an interval estimate of a population parameter used in statistics.
Conservation International, an international environmental non-governmental organization.
Convective instability
Curie (Symbol: Ci). A measurement of radioactivity named after Marie Curie.
Cirrus cloud
Cosine integral (standard mathematical symbols "Ci" and "ci").
CI group, a type of meteorite.
Core Image
101 in Roman numerals.
Configuration item in Configuration Management.
Copenhagen Interpretation, an interpretation of Quantum Mechanics.
Compound Interest (Mathematics)
cI protein, a repressor protein of Enterobacteria phage λ
cubic inch, a unit of volume used almost exclusively in the United States.
[edit] Television
Canadian Idol, the Canadian television series.
Law & Order: Criminal Intent, the television series.
Crime & Investigation Network (Australia), Australian cable and satellite network focusing on Crime.
Crime & Investigation Network (UK), United Kingdom cable and satellite network focusing on Crime
[edit] Other
Ci (poetry), a form of Chinese lyric poetry
Civilian Instructor, an adult volunteer in the British Air Cadet Organisation
Cycling Ireland
Competitive Intelligence
Collective intelligence, a subfield of Sociology
China Airlines
Corporate identity, a concept in marketing
CI Records, a record label
Comprehensible Input
Cambria and Indiana Railroad
Contact improvisation
Christian Identity