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interstate

[adj. in-ter-steyt; n. in-ter-steyt] /adj. ˌɪn tərˈsteɪt; n. ˈɪn tərˌsteɪt/
adjective
1.
connecting or involving different states:
interstate commerce.
noun
2.
a highway serving two or more states.
3.
(sometimes initial capital letter) a highway that is part of the nationwide U.S. Interstate Highway System.
Origin of interstate
1835-1845
1835-45, Americanism; inter- + state
Related forms
noninterstate, adjective
Can be confused
interstate, intestate, intrastate.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for interstate

interstate

/ˈɪntəˌsteɪt/
adjective
1.
between or involving two or more of the states of the US, Australia, etc
adverb
2.
(Austral) to or into another state
verb
3.
(US) a motorway crossing between states
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for interstate
adj.

1845, from inter- + state (n.). As "an interstate highway," by 1986, American English.

Online Etymology Dictionary, © 2010 Douglas Harper
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