cross-reaction

noun

cross-re·​ac·​tion ˌkrȯs-rē-ˈak-shən How to pronounce cross-reaction (audio)
: reaction of one antigen with antibodies developed against another antigen
cross-react intransitive verb
cross-reactive adjective
cross-reactivity noun

Examples of cross-reaction in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
However, officials fear that a cross-reaction of both influenza viruses in the body can cause bird flu to mutate to spread more easily or cause serious illness. Anthony Robledo, USA TODAY, 15 Oct. 2024

Word History

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of cross-reaction was in 1946

Dictionary Entries Near cross-reaction

Cite this Entry

“Cross-reaction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cross-reaction. Accessed 14 Nov. 2024.

Medical Definition

cross-reaction

noun
cross-re·​ac·​tion ˌkrȯs-rē-ˈak-shən How to pronounce cross-reaction (audio)
: reaction of one antigen with antibodies developed against another antigen
cross-react intransitive verb
Last Updated: - Updated example sentences
Love words? Need even more definitions?

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