heptoxide

H4E1P3T1O1X8I1D2E1

noun

any oxide containing seven oxygen atoms in each molecule

OriginEnglish oxide ← French oxide ← Latin acidu →
Scrabble 22
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Meanings

nounheptoxide (plural heptoxides)

plural heptoxides · alternative heptaoxide

  1. chemistryany oxide containing seven oxygen atoms in each molecule

Origin

  1. Englishhept-
  2. Proto-Indo-European*h₂eḱ-der.?
  3. Ancient Greekὀξύς (oxús)
  4. Proto-Indo-European*ǵenh₁-
  5. Proto-Indo-European*ǵénh₁os
  6. Proto-Hellenic*génos
  7. Ancient Greekγένος (génos)
  8. Frenchoxygène
  9. Latinacidu
  10. Frenchacide
  11. Frenchoxide
  12. Englishoxide
  13. Englishheptoxide

From hept- + oxide.

Full word history & related roots →

Translations

Finnish heptaoksidi
  • heptaoksidioxide containing seven oxygen atoms
Italian eptossido
  • eptossidooxide containing seven oxygen atoms
Spanish heptóxido
  • heptóxidooxide containing seven oxygen atoms
Cite this entry
APA

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

MLA

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

Chicago

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

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