pentahelicene

P3E1N1T1A1H4E1L1I1C3E1N1E1

noun

The helicene having five benzene rings fused into a flat spiral

OriginEnglish helicene ← Ancient Greek πεντᾰ- (pentă-) ← Proto-Hellenic *pénkʷe →
Scrabble 20
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Meanings

nounpentahelicene (plural pentahelicenes)

plural pentahelicenes

  1. chemistryThe helicene having five benzene rings fused into a flat spiral

Origin

  1. Proto-Indo-European*pénkʷe
  2. Proto-Hellenic*pénkʷe
  3. Ancient Greekπέντε (pénte)
  4. Ancient Greekπεντᾰ- (pentă-)
  5. Englishpenta-
  6. Englishhelicene
  7. Englishpentahelicene

From penta- + helicene.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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