post-actinide[pōst ak′tə nīd′]
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
also called post-actinide element
Used by arrangement with John Wiley & Sons, Inc.
Create and save customized word lists. Sign up today and start improving your vocabulary!
Please set a username for yourself.
People will see it as Author Name with your public word lists.