superhighway Meaning in the Cambridge English Dictionary
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Meaning of “superhighway” in the English Dictionary

"superhighway" in British English

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superhighwaynoun [C]

uk   /ˈsuː.pəˌhaɪ.weɪ/  us   /-pɚ-/ US
a ​large, ​wideroad on which ​traffictravels at high ​speed
(Definition of superhighway from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"superhighway" in American English

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superhighwaynoun [C]

 us   /ˌsu·pərˈhɑɪˌweɪ/
a ​wideroad with two or more lanes (= ​paralleldivisions) in each ​direction, usually separated, and on which ​traffictravels at high ​speeds
(Definition of superhighway from the Cambridge Academic Content Dictionary © Cambridge University Press)

"superhighway" in Business English

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superhighwaynoun [S]

uk   us   /ˈsuːpəˌhaɪweɪ/ IT, INTERNET
(Definition of superhighway from the Cambridge Business English Dictionary © Cambridge University Press)
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