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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 from the Cambridge Business English Dictionary © Cambridge University Press)
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