grey matter
Britishnoun
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Technical name: substantia grisea. the greyish tissue of the brain and spinal cord, containing nerve cell bodies, dendrites, and bare (unmyelinated) axons Compare white matter
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informal brains or intellect
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The 32-year-old's abilities, grey matter as much as fast twitch, will age slowly and well.
From BBC
In the grey matter and guts alike, the rationale felt right.
From BBC
Brain scans show changes in neurotransmitters and grey matter volume in people who have a poor diet, versus those who adhere to a Mediterranean style diet, which is considered very healthy.
From Science Daily
The seven-hour procedure took longer than planned, Ms Jennings said, because the grey matter in Rachel's brain was larger than anticipated.
From BBC
For example, the superior colliculus is relatively large in fish and birds whereas it is just a tiny pea tucked away in grey matter in humans.
From Science Daily
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
