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
Available in small, medium and large, this paw cleaner has silicone bristles that remove dirt from muddy paws.
—
Bestreviews, Mercury News, 15 May 2026
The notice states the product violates the mandatory standard for toys because the silicone strings are smaller and longer than permitted.
—Michelle Del Rey, USA Today, 14 May 2026
Their silicone design is easy to clean and reusable for up to five years.
—Sian Babish, PEOPLE, 13 May 2026
Its metal case sits neatly on your wrist while the silicone band comes in a variety of different colors.
—George Yang, PC Magazine, 13 May 2026
See All Example Sentences for silicone
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Bestreviews, Mercury News, 15 May 2026
The notice states the product violates the mandatory standard for toys because the silicone strings are smaller and longer than permitted.
—Michelle Del Rey, USA Today, 14 May 2026
Their silicone design is easy to clean and reusable for up to five years.
—Sian Babish, PEOPLE, 13 May 2026
Its metal case sits neatly on your wrist while the silicone band comes in a variety of different colors.
—George Yang, PC Magazine, 13 May 2026
See All Example Sentences for silicone
Cite this Entry
“Silicone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/silicone. Accessed 21 May. 2026.
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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