diethyl

D2I1E1T1H4Y4L1
/daɪˈɛθɪl/

noun

Two ethyl groups attached to the same molecule.

OriginEnglish ethyl ← German Ethy ← Ancient Greek ῡ̔́λη (hū́lē) →
UncommonScrabble 14
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Meanings

noundiethyl (countable and uncountable, plural diethyls)

plural diethyls

  1. countableuncountablechemistryTwo ethyl groups attached to the same molecule.

Origin

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Hellenic*dwi-
  4. Ancient Greekδῐ- (dĭ-)
  5. Latindi-
  6. Englishdi-
  7. Proto-Indo-European*h₂eydʰ-
  8. Proto-Hellenic*áitʰō
  9. Ancient Greekαἴθω (aíthō)
  10. Ancient Greekᾱ̓ήρ (āḗr)influ.?
  11. Ancient Greekαἰθήρ (aithḗr)
  12. Latinaethēr
  13. GermanÄther
  14. GermanEther
  15. Proto-Indo-European*swel-der.?
  16. Ancient Greekῡ̔́λη (hū́lē)
  17. GermanEthy
  18. Englishethyl
  19. Englishdiethyl

From di- + ethyl.

Full word history & related roots →

Translations

Finnish dietyyli
  • dietyylidiethyl
Italian dietile, dietilico
  • dietilediethyl
  • dietilicodiethyl
Turkish dietil
  • dietildiethyl
Cite this entry
APA

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

MLA

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

Chicago

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

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