pentasiloxane

P3E1N1T1A1S1I1L1O1X8A1N1E1

noun

Any siloxane having five -Si-O- groups

OriginEnglish siloxane ← Ancient Greek πεντᾰ- (pentă-) ← Proto-Hellenic *pénkʷe →
Scrabble 22
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Meanings

nounpentasiloxane (plural pentasiloxanes)

plural pentasiloxanes

  1. chemistryAny siloxane having five -Si-O- groups

Origin

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

From penta- + siloxane.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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