: a crosswise connecting part (such as an atom or group) that connects parallel chains in a complex chemical molecule (such as a polymer)
cross-link verb

Examples of cross-link in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The best guess Adams could make was that their strands have more cross-links than ours--weak chemical bonds at points where strands are coiled close together. Will Hively, Discover Magazine, 11 Nov. 2019 As the skin transitions to adulthood, fibroblasts work to cross-link those collagen bundles. Alison Escalante, Forbes, 27 Feb. 2025 An accelerator has cross-linked those polymers to make the plastics and synthetic rubber more durable. Paul Sutter, Space.com, 23 Sep. 2025 During this procedure, collagen strands are cross-linked together, strengthening the cornea. Neelam Patadia, The Conversation, 27 May 2026 See All Example Sentences for cross-link

Word History

First Known Use

1936, in the meaning defined above

Time Traveler
The first known use of cross-link was in 1936

Browse Nearby Words

Cite this Entry

“Cross-link.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cross-link. Accessed 7 Jul. 2026.

Kids Definition

cross-link

noun
ˈkrȯ-ˌsliŋk
: an atom or group of atoms that is a crosswise connection between two long series of atoms of a molecule
cross-link verb

Medical Definition

: a crosswise connecting part (as an atom or group) that connects parallel chains in a complex chemical molecule (as a protein)
cross-link verb
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!