interterritorial

[in-ter-ter-i-tawr-ee-uh l, -tohr-]

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adjective

existing between territories: interterritorial laws.

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Origin of interterritorial

An Americanism dating back to 1885–90; inter- + territorial

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018