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English definition of “high-speed”

high-speed

adjective [before noun]     /ˌhaɪˈspiːd/
used to describe something that moves or operates very quickly : high-speed access/communication/transmission The 3G standard is designed to offer high-speed access and "always on" mobile Internet links . a high-speed computer / network High-speed rail between the two cities is still a long way from happening .
(Definition of high-speed adjective from the Cambridge Business English Dictionary © Cambridge University Press)
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