Definition of Wi-fi™ noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈwaɪ faɪ//
; NAmE NAmE//ˈwaɪ faɪ//
[uncountable](computing) Computer hardware
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a system for sending data over computer networks using radio waves instead of wires See related entries: Computer hardware
See the Oxford Advanced American Dictionary entry: Wi-fi™