serogroup

S1E1R1O1G2R1O1U1P3

noun

A group of microorganisms only differing from others by their composition in terms of antigens

OriginEnglish group ← Italian gruppo ← French groupe →
UncommonScrabble 12
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Meanings

nounserogroup (plural serogroups)

plural serogroups

  1. A group of microorganisms only differing from others by their composition in terms of antigens
verbserogroup (third-person singular simple present serogroups, present participle serogrouping, simple past and past participle serogrouped)

present singular third person serogroups · participle present serogrouping · participle past serogrouped · past serogrouped

  1. To identify and characterize such groups

Origin

  1. Proto-Indo-European*ser-
  2. Proto-Indo-European*sér-o-
  3. Proto-Italic*serom
  4. Latinserum
  5. Englishserum
  6. Englishsero-
  7. Italiangruppo
  8. Frenchgroupe
  9. Italiangruppo
  10. Englishgroup
  11. Englishserogroup

From sero- + group.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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