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
As for the product’s formula, it's made with hyaluronic acid, glycerin, and other skin-loving ingredients, without cyclic silicones and parabens.
—
Alyssa Grabinski, PEOPLE, 2 Jan. 2026
Mix with a silicone spatula or wooden spoon until the ingredients are well combined and the bananas are broken up.
—Midwest Living, 31 Dec. 2025
High heat, after all, sterilizes, but wood is different from metal or silicone.
—Bridget Shirvell, Martha Stewart, 29 Dec. 2025
On the dining table, along with the requisite fruit platter, were sets of silicone toddler utensils.
—Bloomberg, Mercury News, 29 Dec. 2025
See All Example Sentences for silicone
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Alyssa Grabinski, PEOPLE, 2 Jan. 2026
Mix with a silicone spatula or wooden spoon until the ingredients are well combined and the bananas are broken up.
—Midwest Living, 31 Dec. 2025
High heat, after all, sterilizes, but wood is different from metal or silicone.
—Bridget Shirvell, Martha Stewart, 29 Dec. 2025
On the dining table, along with the requisite fruit platter, were sets of silicone toddler utensils.
—Bloomberg, Mercury News, 29 Dec. 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 6 Jan. 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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