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English definition of “interstate”

interstate

adjective [before noun]     /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 costsParts of countries
(Definition of interstate adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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