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English definition of “interstate”

interstate

adjective [before noun] uk   /ˌɪn.təˈsteɪt/ us    /ˈɪn.t̬ɚ.steɪt/
involving two or more of the states into which some countries such as the US are divided: the interstate highway system interstate banking legislation interstate road transport costs

interstate

noun [C] uk   /ˈɪn.tə.steɪt/ us    /ˈɪn.t̬ɚ-/
a fast, wide road that goes between states and connects important cities in the US
(Definition of interstate from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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