DDE definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a toxic residue of DDT often found in animal tissue: it inhibits calcium production, causing many birds to produce extremely thin eggshells that break on contact with the brooder
dde - Computer Definition
(Dynamic Data Exchange) A message protocol in Windows that allows application programs to request and exchange data between them automatically.