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English definition of “bandwidth”

bandwidth

noun [C usually singular] uk   /ˈbænd.wɪtθ/ us  
a measurement of the amount of information that can be sent between computers, through a phone line, etc.: The system will handle signals that need high bandwidth, for instance those that encode TV pictures. high-bandwidth services/applications the range of frequencies used to send information over a distance using phone wires in radio, the width of a particular waveband
(Definition of bandwidth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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