Word.ws English Dictionary

octamethylcyclotetrasiloxane

/ˌɒk.təˌmɛθ.ɪlˌsaɪ.kloʊˌtɛt.rəˌsaɪ.lɒk.seɪn/

octamethylcyclotetrasiloxane noun: a cyclic silicone compound made of a ring of silicon and oxygen atoms with methyl groups attached. It’s mainly used as a raw material for making silicones and as a volatile ingredient in cosmetics and personal care products to give a smooth feel and help other ingredients spread evenly.

octamethylcyclotetrasiloxane: a cyclic silicone compound made of a ring of silicon and oxygen atoms with methyl groups attached....
Image: Jü, Public domain, via Wikimedia Commons

Noun

octamethylcyclotetrasiloxane (plural octamethylcyclotetrasiloxanes, abbreviation D4)

  1. A cyclic silicone compound made of a ring of silicon and oxygen atoms with methyl groups attached. It’s mainly used as a raw material for making silicones and as a volatile ingredient in cosmetics and personal care products to give a smooth feel and help other ingredients spread evenly.

Forms of octamethylcyclotetrasiloxane

pluraloctamethylcyclotetrasiloxanes
abbreviationD4

Origin of octamethylcyclotetrasiloxane

From octa- + methyl- + cyclo- + tetra- + siloxane

Questions about octamethylcyclotetrasiloxane

What does octamethylcyclotetrasiloxane mean?
Octamethylcyclotetrasiloxane means a cyclic silicone compound made of a ring of silicon and oxygen atoms with methyl groups attached. It’s mainly used as a raw material for making silicones and as a volatile ingredient in cosmetics and personal care products to give a smooth feel and help other ingredients spread evenly.
What part of speech is octamethylcyclotetrasiloxane?
Octamethylcyclotetrasiloxane is a noun.
How do you pronounce octamethylcyclotetrasiloxane?
Octamethylcyclotetrasiloxane is pronounced /ˌɒk.təˌmɛθ.ɪlˌsaɪ.kloʊˌtɛt.rəˌsaɪ.lɒk.seɪn/.
What is the plural of octamethylcyclotetrasiloxane?
The plural of octamethylcyclotetrasiloxane is octamethylcyclotetrasiloxanes.

Words near octamethylcyclotetrasiloxane in the dictionary

  1. octamerous
  2. octamers
  3. octameter
  4. octameters
  5. octamethyl
  6. octamethylcyclotetrasiloxane
  7. octamethylcyclotetrasiloxanes
  8. octamethylene
  9. octamethylpyrophosphoramide
  10. octamethylpyrophosphoramides
  11. octamethyltrisiloxane

Source and license

Adapted from Wiktionary: octamethylcyclotetrasiloxane (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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Cite this entry: “octamethylcyclotetrasiloxane.” Word.ws, https://word.ws/octamethylcyclotetrasiloxane. Based on Wiktionary, CC BY-SA 4.0.