silicone
noun
sil·i·cone
ˈsi-lə-ˌkōn 
: any of various polymeric organic silicon compounds obtained as oils, greases, or plastics and used especially for water-resistant and heat-resistant lubricants, varnishes, binders, and electric insulators
Examples of silicone in a Sentence
a prosthesis made of silicone
Recent Examples on the Web
To make your earbuds more comfortable, look for sets that come with multiple silicone tips and wings for the most precise fit.
—
Maggie Slepian, Travel + Leisure, 24 July 2025
Chiffon Thomas’ silicone cast of a torso — blackened with charcoal dust, pounded with nails and braced with rebar — exists somewhere painful but consensual between S&M culture and transition surgery.
—Lori Waxman, Chicago Tribune, 21 July 2025
There’s no active cooling built-in, so some sort of passive cooling method like a silicone pad is recommended.
—Mark Sparrow, Forbes.com, 20 July 2025
Pour the browned butter into a silicone mold or jar.
—Katlyn Moncada, Better Homes & Gardens, 19 July 2025
See All Example Sentences for silicone
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Maggie Slepian, Travel + Leisure, 24 July 2025
Chiffon Thomas’ silicone cast of a torso — blackened with charcoal dust, pounded with nails and braced with rebar — exists somewhere painful but consensual between S&M culture and transition surgery.
—Lori Waxman, Chicago Tribune, 21 July 2025
There’s no active cooling built-in, so some sort of passive cooling method like a silicone pad is recommended.
—Mark Sparrow, Forbes.com, 20 July 2025
Pour the browned butter into a silicone mold or jar.
—Katlyn Moncada, Better Homes & Gardens, 19 July 2025
See All Example Sentences for silicone
Cite this Entry
“Silicone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/silicone. Accessed 29 Jul. 2025.
Copy CitationKids Definition
silicone
noun
sil·i·cone
ˈsil-ə-ˌkōn
: any of various silicon compounds that contain carbon and hydrogen, are obtained as oily or greasy substances or plastics, and are used especially for water-resistant and heat-resistant lubricants and varnishes
Medical Definition
silicone
noun
sil·i·cone
ˈsil-ə-ˌkōn
: any of various polymeric organic silicon compounds which are obtained as oils, greases, or plastics and some of which have been used as surgical implants
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