Thesaurus

gray matter

noun

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Time Traveler for gray matter

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The first known use of gray matter was in 1809

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Cite this Entry

“Gray matter.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/gray%20matter. Accessed 10 May. 2021.

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Dictionary: Definition of gray matter

Medical Dictionary: Definition of gray matter

Britannica.com: Encyclopedia article about gray matter

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