English version

grey matter

From Longman Dictionary of Contemporary English
Related topics: Human
grey matterˈgrey ˌmatter British English, gray matter American English noun [uncountable]  informalINTELLIGENT your intelligence, or your brain
Examples from the Corpus
grey matterEngineers have a good helping of functional grey matter with which to devise theories.She wondered if she could think with what was left of her grey matter.It just requires a little time and activity from the old grey matter.Some of that climber's grey matter has been revived and placed into a robot-climbing machine.While away those dark winter evenings and exercise the grey matter at the same time!Could there be a more splendid way to get the grey matter working?
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