Dictionary
gray matter
noun
: the tissue that makes up the brain
Full Definition of GRAY MATTER
1
: neural tissue especially of the brain and spinal cord that contains nerve-cell bodies as well as nerve fibers and has a brownish-gray color
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First Known Use of GRAY MATTER
1840
Related to GRAY MATTER
- Synonyms
- brain(s), brainpower, intelligence, headpiece, intellect, intellectuality, mentality, reason, sense, smarts
Rhymes with GRAY MATTER
Medical Dictionary
gray matter
noun
Medical Definition of GRAY MATTER
: 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
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