gray matter

noun

Definition of gray matter

  1. 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

  2. 2 :  brains, intellect

Examples of gray matter in a sentence

  1. she's got the gray matter to figure that equation out

1809

First Known Use of gray matter

1809


GRAY MATTER Defined for English Language Learners

gray matter

noun

Definition of gray matter for English Language Learners

  • : the tissue that makes up the brain


Medical Dictionary

gray matter

noun

Medical Definition of gray matter

  1. :  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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