Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
any of various clear, crystalline sodium salts of phosphoric acid, widely used in industry
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Any of various sodium salts of phosphoric acid, especially NaH2PO4, Na2HPO4, and Na3PO4, widely used in pharmaceutical manufacturing, medicine, and chemistry.