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

 

techie

 noun
(also techy)noun
BrE BrE//ˈteki//
 
; NAmE NAmE//ˈteki//
 
(pl. techies)(informal)
 
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a person who is expert in or enthusiastic about technology, especially computers Word Origin 1960s: from tech + -ie. First recorded as a US slang term for a technical college student, the word was later used as British service slang, denoting a technician. The current sense dates from the 1980s.
See the Oxford Advanced American Dictionary entry: techie