Definition of “high-speed” - English Dictionary

british dictionary

“high-speed” in American English

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moving or operating at a fast rate:

a high-speed drill

(Definition of “high-speed” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“high-speed” in Business English

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high-speedadjective [ before noun ]

/ˌhaɪˈspiːd/ uk us

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)