immunoreactivity

noun

A measure of the immune reaction caused by an antigen.

OriginEnglish reactivity ← Middle French immun ← Latin immūnis →
UncommonScrabble 28
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Meanings

nounimmunoreactivity (plural immunoreactivities)

plural immunoreactivities

  1. A measure of the immune reaction caused by an antigen.

Origin

  1. Proto-Indo-European*mey-
  2. Proto-Indo-European*moy-nós
  3. Proto-Italic*moinos
  4. Latinmūnus
  5. Proto-Indo-European*né
  6. Proto-Indo-European*n̥-
  7. Proto-Italic*n̥-
  8. Latinin-
  9. Latinin- -is
  10. Latinimmūnis
  11. Middle Frenchimmun
  12. Englishimmune
  13. Englishimmuno-
  14. Englishreactivity
  15. Englishimmunoreactivity

From immuno- + reactivity.

Full word history & related roots →
Cite this entry
APA

immunoreactivity. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/immunoreactivity

MLA

“immunoreactivity.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/immunoreactivity. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “immunoreactivity,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/immunoreactivity.

Source: immunoreactivity on Wiktionary, CC BY-SA 4.0.