Wi-Fi Wi-Fi [ˈwaɪfaɪ] also WiFi , wi-fi noun [uncountable]
COMPUTING TELECOMMUNICATIONS wireless fidelity a way of connecting computers or other electronic machines to a network or the Internet by using radio signals rather than wires

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wi-fi UK US (also Wi-Fi) /ˈwaɪfaɪ/ noun [U] INTERNET, IT
ABBREVIATION for wireless fidelity: a system used for connecting computers and other electronic equipment to the internet without using wires: »

Built-in wi-fi now comes as a standard feature.


The coffee shop now offers free wi-fi.


All the cameras on the street are wi-fi enabled.

wi-fi access/connection/network »

This model allows you to connect to a Wi-Fi network in just a couple of clicks.

wi-fi signal/technology/service »

More and more cities are offering free wi-fi service.


a wi-fi hotspot/zone


a wi-fi device/equipment/phone

Financial and business terms. 2012.

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