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pentamethylcyclopentasiloxane

/ˌpɛntəˌmɛθəlˌsaɪkləʊˌsaɪləˈsɒkseɪn/

pentamethylcyclopentasiloxane noun: a cyclic organosilicon compound consisting of a five-membered ring of alternating silicon and oxygen atoms, with five methyl groups attached to the silicon atoms. It is primarily used as a precursor in the production of specialized silicones and polymers.

Noun

pentamethylcyclopentasiloxane (usually uncountable, plural pentamethylcyclopentasiloxanes)

  1. (usually) A cyclic organosilicon compound consisting of a five-membered ring of alternating silicon and oxygen atoms, with five methyl groups attached to the silicon atoms. It is primarily used as a precursor in the production of specialized silicones and polymers.

Forms of pentamethylcyclopentasiloxane

pluralpentamethylcyclopentasiloxanes

Origin of pentamethylcyclopentasiloxane

penta- + methyl- + cyclo- + penta- + siloxane

Questions about pentamethylcyclopentasiloxane

What does pentamethylcyclopentasiloxane mean?
Pentamethylcyclopentasiloxane means a cyclic organosilicon compound consisting of a five-membered ring of alternating silicon and oxygen atoms, with five methyl groups attached to the silicon atoms. It is primarily used as a precursor in the production of specialized silicones and polymers.
What part of speech is pentamethylcyclopentasiloxane?
Pentamethylcyclopentasiloxane is a noun.
How do you pronounce pentamethylcyclopentasiloxane?
Pentamethylcyclopentasiloxane is pronounced /ˌpɛntəˌmɛθəlˌsaɪkləʊˌsaɪləˈsɒkseɪn/.
What is the plural of pentamethylcyclopentasiloxane?
The plural of pentamethylcyclopentasiloxane is pentamethylcyclopentasiloxanes.

Words near pentamethylcyclopentasiloxane in the dictionary

  1. pentamethylbenzenes
  2. pentamethylcyclopentadiene
  3. pentamethylcyclopentadienes
  4. pentamethylcyclopentadienyl
  5. pentamethylcyclopentadienyls
  6. pentamethylcyclopentasiloxane
  7. pentamethylcyclopentasiloxanes
  8. pentamethylene
  9. pentamethylenediamine
  10. pentamethylenediamines
  11. pentamethylenes

Source and license

Adapted from Wiktionary: pentamethylcyclopentasiloxane (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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