[noun kraws-lingk, kros-; verb kraws-lingk, kros-]Chemistry
verb (used with object)
  1. to attach by a cross-link.

Origin of cross-link

First recorded in 1935–40
Related formscross-link·ing, nouncross-link·a·ble, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for cross-link



  1. a chemical bond, atom, or group of atoms that connects two adjacent chains of atoms in a large molecule such as a polymer or protein
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012