Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
- of, derived from, or containing tantalum, esp. pentavalent tantalum
- designating any of several colorless, crystalline, acidic, hydrated tantalum pentoxides, TaO·xHO, that form salts with bases
Used by arrangement with John Wiley & Sons, Inc.
The 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.
Of, relating to, or containing tantalum.