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gray matter
noun
Synonyms
Examples of gray matter in a Sentence
she's got the gray matter to figure that equation out
Recent Examples on the Web
One study shows more gray matter in the portions of the brain that deal with attention, auditory processing, emotional stimulus, and recognition in the brains of people with high IQs than in the brains of the control group.
—Constance Grady, Vox, 14 Aug. 2024
Brain scans showed those who received liraglutide lost nearly 50% less volume in the frontal, temporal, parietal and total gray matter − areas of the brain that control memory, learning, language and decision making.
—Ken Alltucker, USA TODAY, 30 July 2024
Our gray matter performs a bewildering mashup of overlapping functions, some widely distributed across the brain, others more localized.
—George Musser, Scientific American, 19 Mar. 2024
In particular, loss of gray matter in the brain has been associated with dementia and mental health issues such as depression.
—Lauryn Higgins, Health, 16 Apr. 2024
See all Example Sentences for gray matter
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'gray matter.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1809, in the meaning defined at sense 1
Dictionary Entries Near gray matter
Cite this Entry
“Gray matter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gray%20matter. Accessed 17 Sep. 2024.
Kids Definition
gray matter
noun1
: nerve tissue especially of the brain and spinal cord that has a brownish gray color
Medical Definition
gray matter
noun
: neural tissue especially of the brain and spinal cord that contains cell bodies as well as nerve fibers, has a brownish gray color, and forms most of the cortex and nuclei of the brain, the columns of the spinal cord, and the bodies of ganglia
called also gray substance
More from Merriam-Webster on gray matter
Britannica.com: Encyclopedia article about gray matter
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