heptamethyl

H4E1P3T1A1M3E1T1H4Y4L1

noun

Seven methyl groups in a compound

OriginEnglish methyl ← German Methy ← Ancient Greek ῡ̔́λη (hū́lē) →
Scrabble 24
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Meanings

nounheptamethyl (uncountable)
  1. in compoundsuncountablechemistrySeven methyl groups in a compound

Origin

  1. Proto-Afroasiatic*sṗɣ?
  2. Proto-Semitic*šabʕ-bor.?
  3. Proto-Indo-European*septḿ̥
  4. Proto-Hellenic*heptə́
  5. Ancient Greekἑπτᾰ́ (heptắ)
  6. Englishhepta-
  7. Proto-Indo-European*médʰu
  8. Proto-Hellenic*métʰu
  9. Ancient Greekμέθυ (méthu)
  10. Proto-Indo-European*swel-der.?
  11. Ancient Greekῡ̔́λη (hū́lē)
  12. GermanMethy
  13. Englishmethyl
  14. Englishheptamethyl

From hepta- + methyl.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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