grey matter definition

  • noun:
    • Brains; a person's power to think.
    • an accumulation of mobile systems and (usually) dendritic contacts, as opposed to white matter.
    • greyish nervous structure containing mobile figures as well as fibers; types the cerebral cortex comprising unmyelinated neurons

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    • Billy: Ugh... it's grey matter again.…
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  • Urban Dictionary for "grey matter"
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