diamondoid

D2I1A1M3O1N1D2O1I1D2

noun

Any of several polycyclic hydrocarbons whose cagelike structure resembles part of the diamond crystal lattice.

OriginAncient Greek εἶδος (eîdos) ← Proto-Hellenic *wéidos ← Proto-Indo-European *wéydos →
Scrabble 15
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Meanings

noundiamondoid (plural diamondoids)

plural diamondoids

  1. chemistryAny of several polycyclic hydrocarbons whose cagelike structure resembles part of the diamond crystal lattice.

Origin

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Hellenic*ə-
  4. Ancient Greekἀ- (a-)?
  5. Proto-Indo-European*demh₂-
  6. Ancient Greekδαμνάω (damnáō)?
  7. Ancient Greekἀδάμας (adámas)
  8. Latinadamās
  9. Late Latindiamās
  10. Old Frenchdiamant
  11. Middle Englishdyamaunt
  12. Englishdiamond
  13. Proto-Indo-European*weyd-
  14. Proto-Indo-European*wéydos
  15. Proto-Hellenic*wéidos
  16. Ancient Greekεἶδος (eîdos)
  17. Englishdiamondoid

From diamond + -oid.

Full word history & related roots →

Translations

Portuguese diamantóide
  • diamantóideTranslations
Spanish diamontoide
  • diamontoideTranslations
Cite this entry
APA

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

MLA

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

Chicago

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

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