cream of tartar
cream of tartar definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a white, acid, crystalline substance, KHCHO, used in baking powder, medicine, etc.; potassium bitartrate
cream of tartar definition by American Heritage Dictionary
See potassium bitartrate.