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English definition of “log in/on”

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log in/on

verb uk phrasal verb with log   /lɒɡ/ us    /lɑːɡ/ (-gg-)
B2 to connect a computer to a computer system by typing your name, so that you can start working: Log on using your name and password.
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(Definition of log in/on from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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