Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a red, crystalline salt, NaCrO, used as an oxidizing agent, corrosion inhibitor, antiseptic, etc.
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.
A poisonous red-orange crystalline compound, Na2Cr2O7·2H2O, used as an oxidizing agent.