pentacene

P3E1N1T1A1C3E1N1E1

noun

A polycyclic aromatic hydrocarbon; the acene containing five fused rings.

OriginEnglish acene ← French anthracène ← Ancient Greek πεντᾰ- (pentă-) →
Scrabble 13
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Meanings

nounpentacene (countable and uncountable, plural pentacenes)

plural pentacenes

  1. countableuncountablechemistryA polycyclic aromatic hydrocarbon; the acene containing five fused rings.

Origin

  1. Proto-Indo-European*pénkʷe
  2. Proto-Hellenic*pénkʷe
  3. Ancient Greekπέντε (pénte)
  4. Ancient Greekπεντᾰ- (pentă-)
  5. Englishpenta-
  6. Frenchanthracène
  7. Englishanthraceneclip.
  8. Englishacene
  9. Englishpentacene

From penta- + acene.

Full word history & related roots →
Cite this entry
APA

pentacene. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/pentacene

MLA

“pentacene.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pentacene. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “pentacene,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/pentacene.

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