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
Rusk recommends using wash and styling products that don’t contain silicones (like dimethicone), which can cause a stubborn coating to accumulate that clogs follicles on the scalp and prevents the hair from absorbing moisturizing ingredients.
—
Rebecca Strong, USA Today, 3 Apr. 2026
Bulky silicone options look cheap and ironically, are also impossible to clean, but these stainless steel covers are easily removable, wipeable, and look high end.
—Stephanie Osmanski, Better Homes & Gardens, 3 Apr. 2026
Microwave on high for 2 minutes, then knead and fold the mochi with a silicone spatula.
—Kelly McCarthy, ABC News, 2 Apr. 2026
To bolster noise dampening, the Light Mount backs up its silent switches with three layers of foam and silicone to absorb vibrations and fill any echoey, empty space inside the keyboard's chassis.
—Aubrey Jowers, PC Magazine, 31 Mar. 2026
See All Example Sentences for silicone
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Rebecca Strong, USA Today, 3 Apr. 2026
Bulky silicone options look cheap and ironically, are also impossible to clean, but these stainless steel covers are easily removable, wipeable, and look high end.
—Stephanie Osmanski, Better Homes & Gardens, 3 Apr. 2026
Microwave on high for 2 minutes, then knead and fold the mochi with a silicone spatula.
—Kelly McCarthy, ABC News, 2 Apr. 2026
To bolster noise dampening, the Light Mount backs up its silent switches with three layers of foam and silicone to absorb vibrations and fill any echoey, empty space inside the keyboard's chassis.
—Aubrey Jowers, PC Magazine, 31 Mar. 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 5 Apr. 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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