bone ash Hear it!

bone ash definition

bone ash

a white porous ash prepared by burning bones in the open air and consisting chiefly of calcium phosphate: used in making bone china and in fertilizers
also bone earth

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.