agglutinin

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/əˈɡluːtɪnɪn/[əˈɡluːʔn̩ɪn]

noun

A substance that causes particles or cells to clump; it may be an antibody, a lectin, or otherwise.

OriginEnglish agglutinate ← Latin agglūtinātu ← Proto-Italic *gloiten →
UncommonScrabble 12
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Meanings

nounagglutinin (countable and uncountable, plural agglutinins)

plural agglutinins

  1. countableuncountableA substance that causes particles or cells to clump; it may be an antibody, a lectin, or otherwise.
  2. countablespecificallyuncountableA protein found in cow's milk.

Synonyms & antonyms

Narrower
agglutin

Origin

  1. Proto-Indo-European*h₂éd
  2. Proto-Italic*ad
  3. Proto-Italic*ad-
  4. Latinad-
  5. Proto-Indo-European*gleyH-
  6. Proto-Indo-European*glóh₁ytn̥
  7. Proto-Italic*gloiten
  8. Latinglūten
  9. Latinglūtinō
  10. Latinagglūtinō
  11. Latinagglūtinātu
  12. Englishagglutinate
  13. Englishagglutinin

From agglutinate + -in.

Full word history & related roots →

Translations

Chinese Mandarin 凝集素
  • 凝集素 (níngjísù)substance that causes cells to clump
Esperanto aglutinino
  • aglutininosubstance that causes cells to clump
French agglutinine
  • agglutininesubstance that causes cells to clump
German Agglutinin
  • Agglutininsubstance that causes cells to clump
Indonesian aglutinin
  • aglutininsubstance that causes cells to clump
Italian agglutinina
  • agglutininasubstance that causes cells to clump
Polish aglutynina
  • aglutyninasubstance that causes cells to clump
Portuguese aglutinina
  • aglutininasubstance that causes cells to clump
Russian агглютини́н
  • агглютини́н (aggljutinín)substance that causes cells to clump
Spanish aglutinina
  • aglutininasubstance that causes cells to clump
Turkish aglütinin
  • aglütininsubstance that causes cells to clump
Cite this entry
APA

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

MLA

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

Chicago

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

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