cross-link 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 crosswise connecting part; specif., an atom or group connecting parallel chains in a complex molecule
to join crosswise
cross-link definition by American Heritage Dictionary
transitive verb cross-linked, cross-link·ing, cross-links
To join (adjacent chains of a polymer or protein) by creating covalent bonds.noun
A chemical bond or link created by cross-linking.