silicone

noun

sil·​i·​cone ˈsi-lə-ˌkōn How to pronounce silicone (audio)
: 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
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.
Most strap-ons and double-ended dildos are made from silicone, which Valle says can be cleaned with warm water and a fragrance-free, mild soap. Malia Griggs, SELF, 21 Apr. 2025 This one has three compartments and a latching lid with a tight silicone seal that keeps dips and liquids inside even if it gets jostled around in your work bag. Clint Davis, People.com, 20 Apr. 2025 If all else fails, purchase inexpensive silicone earplugs. Tim Carter, Hartford Courant, 19 Apr. 2025 Among the weird things people left behind were a full sheet of uncut $2 bills, a toilet seat, silicone butt pads, a rattlesnake preserved in a jar of whiskey and an antique French guide to performing exorcisms. Zach Wichter, USA Today, 9 Apr. 2025 See All Example Sentences for silicone

Word History

Etymology

silicon + -one

First Known Use

1943, in the meaning defined above

Time Traveler
The first known use of silicone was in 1943

Cite this Entry

“Silicone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/silicone. Accessed 24 Apr. 2025.

Kids Definition

silicone

noun
sil·​i·​cone ˈsil-ə-ˌkōn How to pronounce silicone (audio)
: 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 How to pronounce silicone (audio)
: 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

More from Merriam-Webster on silicone

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