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interstate vs. intrastate

interstate vs. intrastate: What’s the difference?

Interstate means “between states,” as in interstate trade between Ohio and Indiana. Intrastate means “within a state,” as in Ohio’s intrastate commerce. Interstate is also commonly used as a noun to refer to a highway that stretches between states (as opposed to only being within one). Remember, intra- means “within,” and inter- means “between” or “among.”

[ adjective in-ter-steyt; noun in-ter-steyt ]
    [ in-truh-steyt ]
    1. existing or occurring within the boundaries of a state, especially of the United States: intrastate commerce.

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