Definition of CIA abbreviation from the Oxford Advanced Learner's Dictionary

 

CIA

 abbreviation
abbreviation
BrE BrE//ˌsiː aɪ ˈeɪ//
 
; NAmE NAmE//ˌsiː aɪ ˈeɪ//
 
 
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Central Intelligence Agency (a department of the US government which collects information about other countries, often secretly) Culture In the 1960s the CIA changed its methods of operating, after being criticized in the US for trying to influence or remove foreign governments. It was established in 1947 and is based in Langley, Virginia. It publishes the CIA World Factbook every year, which gives information about all the countries in the world.
See the Oxford Advanced American Dictionary entry: CIA