English version

wi-fi

From Longman Dictionary of Contemporary English
Related topics: Computers
wi-fiwi-fi /ˈwaɪ faɪ/ ●●○ (also wireless networking) noun [uncountable] trademark  (wireless fidelity) a way of connecting computers or other electronic machines to a network by using radio signals rather than wires
From Longman Business DictionaryWi-FiWi-Fi /ˈwaɪfaɪ/ (also WiFi), wi-fi noun [uncountable] COMPUTINGTELECOMMUNICATIONS (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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