Definition of IT noun from the Oxford Advanced Learner's Dictionary

 

IT

 noun
noun
BrE BrE//ˌaɪ ˈtiː//
 
; NAmE NAmE//ˌaɪ ˈtiː//
 
[uncountable]
 
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the abbreviation for information technology (the study and use of electronic processes and equipment to store and send information of all kinds, including words, pictures and numbers)
See the Oxford Advanced American Dictionary entry: IT