"grey matter" in German grey matter Gehirnschmalz Hirnschmalz Detailed translations for "grey matter" grey matter grey matter(also: grey cells, smarts) das Gehirnschmalz{neuter} grey matter(also: grey cells, smarts) das Hirnschmalz{neuter} English synonyms for "grey matter" grey matter {n} gray matter gray substance grey substance substantia grisea