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

videotelephony

noun

/ˌvɪdiəʊtəˈlefəni/

/ˌvɪdiəʊtəˈlefəni/

[uncountable]

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the process of sending video signals along phone wiresTopics Phones, email and the internetc2

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See videotelephony in the Oxford Advanced American Dictionary

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