alloantigen

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noun

Any antigen, present in only some individuals of a species, that stimulates the production of antibodies in those that lack it; an isoantigen

OriginEnglish antigen ← French antigène ← Ancient Greek ᾰ̓́λλος (ắllos) →
RareScrabble 12
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Meanings

nounalloantigen (plural alloantigens)

plural alloantigens

  1. biologyAny antigen, present in only some individuals of a species, that stimulates the production of antibodies in those that lack it; an isoantigen

Synonyms & antonyms

Also see
isoantigen

Origin

  1. Proto-Indo-European*h₂el-
  2. Proto-Indo-European*h₂élyos
  3. Proto-Hellenic*ál͏̌l͏̌os
  4. Ancient Greekᾰ̓́λλος (ắllos)
  5. Englishallo-
  6. Frenchantigène
  7. Englishantigen
  8. Englishalloantigen

From allo- + antigen.

Full word history & related roots →

Translations

Portuguese aloantígeno
  • aloantígenoantigen that stimulates the production of antibodies in other individuals of a species
Cite this entry
APA

alloantigen. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/alloantigen

MLA

“alloantigen.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/alloantigen. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “alloantigen,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/alloantigen.

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