[noun kraws-lingk, kros-; verb kraws-lingk, kros-]Chemistry


a bond, atom, or group linking the chains of atoms in a polymer, protein, or other complex organic molecule.

verb (used with object)

to attach by a cross-link.

Nearby words

  1. cross-garnet,
  2. cross-gartered,
  3. cross-grained,
  4. cross-index,
  5. cross-legged,
  6. cross-linker,
  7. cross-lot bracing,
  8. cross-match,
  9. cross-mate,
  10. cross-modality

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. 2019

British Dictionary definitions for cross-link




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