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coextension

noun
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co·​extension | \ "+ \

Definition of coextension

: the quality or state of coextending or being coextensive

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History and Etymology for coextension

co- + extension

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“Coextension.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/coextension. Accessed 6 December 2019.

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