cross-reactivity

noun

The degree to which an antigen is effective against an antibody that was generated against a different antigen

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Meanings

nouncross-reactivity (countable and uncountable, plural cross-reactivities)

plural cross-reactivities

  1. countableuncountableimmunologyThe degree to which an antigen is effective against an antibody that was generated against a different antigen

Origin

From cross- + reactivity.

Full word history & related roots →
Cite this entry
APA

cross-reactivity. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/cross-reactivity

MLA

“cross-reactivity.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cross-reactivity. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “cross-reactivity,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/cross-reactivity.

Source: cross-reactivity on Wiktionary, CC BY-SA 4.0.