Gray matter

noun

Word Frequency: 0.9

Definitions

1.nounBrains; a person's ability to think.

2.nounLiteral brains as a general substance.

""He fell from the 5th floor. There is grey matter on the path behind his head. I'm afraid he's dead.""

3.nounA collection of cell bodies and (usually) dendritic connections, in contrast to white matter.

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