sil·i·cone | \ˈsi-lə-ˌkōn \

Definition of silicone 

: 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

Steer clear of silicones and harsh chemical surfactants and reach for natural oils and ingredients. Lamar Dawson, GQ, "How to Grow a Long Beard That Never Gets Scraggly," 16 Apr. 2018 The hoods are made of molded silicone with a soft-touch polyurethane skin that grips the sides of your device using strong built-in stretch bands, leaving enough room to manipulate touch screens. Judi Dash,, "This gear makes your world go round, flat, darker and spacier," 2 July 2018 Preheat the oven to 325 degrees and line a baking sheet with a silicone mat or parchment paper. Tara Duggan,, "Recipe: Tahini Chocolate Chip Cookies," 20 June 2018 Also, some menstrual cups are made out of silicone or latex, making them washable and reusable. Shanelle Drakeford, Allure, "I Switched From Tampons to Menstrual Cups, and I'm Never Going Back," 28 May 2018 Line a rimmed baking sheet with parchment paper or a silicone mat. Anna Thomas Bates, Milwaukee Journal Sentinel, "Egyptian spice blend brightens veggie-packed cauliflower salad," 25 Apr. 2018 The most popular type of dermal filler is made of hyaluronic acid and approved by the FDA (silicone is not approved for filler use). Kathleen Hou, The Cut, "How Do You Remove Lip Fillers?," 9 July 2018 Permanent fillers such as silicone never go away and should be avoided. Dr. Leslie Baumann, miamiherald, "Unhappy with the dermal fillers you got? Here's how to fix," 11 June 2018 The sealing ring—the flexible silicone ring that sits between the pot and the lid in order to keep steam from escaping, which is important for both cooking and safety—comes off the pot, and is dishwasher safe. Jolie Kerr, SELF, "How to Clean an Instant Pot, Spiralizer, and Other Tricky Kitchen Tools," 24 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'silicone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of silicone

1943, in the meaning defined above

History and Etymology for silicone

silicon + -one

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Statistics for silicone

Last Updated

10 Sep 2018

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Time Traveler for silicone

The first known use of silicone was in 1943

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More Definitions for silicone


sil·i·cone | \ˈsil-ə-ˌkōn \

Medical Definition of silicone 

: 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

See words that rhyme with silicone Encyclopedia article about silicone

Comments on silicone

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a state of commotion or excitement

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