Etymology

bipentacene

B3I1P3E1N1T1A1C3E1N1E1

Today it means: Any of many isomeric polycyclic aromatic hydrocarbons composed of two pentacene molecules linked by a single bond, but especially 6,6'-bipentacene or 13,13'-bipentacene Full definition →

English pentacene ← French anthracène ← Ancient Greek πεντᾰ- (pentă-)
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Italic*dwi-
  4. Latinbi-
  5. Englishbi-
  6. Proto-Indo-European*pénkʷe
  7. Proto-Hellenic*pénkʷe
  8. Ancient Greekπέντε (pénte)
  9. Ancient Greekπεντᾰ- (pentă-)
  10. Englishpenta-
  11. Frenchanthracène
  12. Englishanthraceneclip.
  13. Englishacene
  14. Englishpentacene
  15. English todaybipentacene

From bi- + pentacene.

Etymology from Wiktionary, CC BY-SA 4.0.