high-speed
/ˌhaɪˈspiːd/ adjective [before noun]Definition
› 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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