Definitions from WordNet (gray substance)

▸ noun:  greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons
▸ Also see gray_substance


▸ Words similar to gray substances
▸ Usage examples for gray substances

▸ Idioms related to gray substances
▸ Wikipedia articles (New!)
▸ Words that often appear near gray substances
▸ Rhymes of gray substances

▸ Invented words related to gray substances