siloxane
noun
si·lox·ane
sə-ˈläk-ˌsān 
sī-
: any of various compounds containing alternate silicon and oxygen atoms in either a linear or cyclic arrangement usually with one or two organic groups attached to each silicon atom
Examples of siloxane in a Sentence
Recent Examples on the Web
When heated, these siloxanes vaporize and condense into ultrafine particles, which are then floating around in the immediate air and are readily inhaled.
—
New Atlas,
23 Aug. 2025
In this recent work, her lab generated an enzyme that can biodegrade volatile methyl siloxanes.
—
Diana Gitig,
Ars Technica,
5 Feb. 2024
The researchers noticed that siloxane levels were highest during the morning rush hour, most likely because that’s when people first left their homes after applying personal-care products in the morning.
—
Amanda MacMillan,
Health.com,
2 May 2018
The chemicals are siloxanes — their basic form is one atom of oxygen linked to two atoms of silicon — which form polymers, long chains of repeating units.
—
Gina Kolata,
New York Times,
9 May 2016
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
New Atlas,
23 Aug. 2025
In this recent work, her lab generated an enzyme that can biodegrade volatile methyl siloxanes.
—
Diana Gitig,
Ars Technica,
5 Feb. 2024
The researchers noticed that siloxane levels were highest during the morning rush hour, most likely because that’s when people first left their homes after applying personal-care products in the morning.
—
Amanda MacMillan,
Health.com,
2 May 2018
The chemicals are siloxanes — their basic form is one atom of oxygen linked to two atoms of silicon — which form polymers, long chains of repeating units.
—
Gina Kolata,
New York Times,
9 May 2016
Cite this Entry
“Siloxane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/siloxane. Accessed 6 Jul. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
