homeodomain

H4O1M3E1O1D2O1M3A1I1N1

noun

A folded protein domain that binds to DNA and has a function in transcription

OriginEnglish domain ← Middle English demayne ← Old French demaine →
UncommonScrabble 19
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Meanings

nounhomeodomain (plural homeodomains)

plural homeodomains

  1. biochemistryA folded protein domain that binds to DNA and has a function in transcription

Origin

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*somHós
  3. Proto-Hellenic*homós
  4. Ancient Greekὁμός (homós)
  5. Ancient Greekὅμοιος (hómoios)
  6. Englishhomeo-
  7. Proto-Indo-European*dem-
  8. Proto-Indo-European*dṓmder.?
  9. Proto-Italic*domVnos
  10. Latindominus
  11. Latindominium
  12. Old Frenchdemaine
  13. Middle Englishdemayne
  14. Englishdomain
  15. Englishhomeodomain

From homeo- + domain.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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