follow Dictionary.com

Is irregardless a word?

white substance

white substance in Medicine

white substance n.
See white matter.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Examples from the Web for white substance
Historical Examples

Word of the Day

Word Value for white

11
10
Scrabble Words With Friends