Meanings
noungray matter (uncountable)
- USalternativeuncountableAlternative spelling of grey matter.
Synonyms & antonyms
noungreyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons
Similar
Broader
nervous tissuenerve tissue
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
gray matter. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/gray%20matter
MLA
“gray matter.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/gray%20matter. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “gray matter,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/gray%20matter.
Source: gray matter on Wiktionary, CC BY-SA 4.0.