sil·​i·​cone | \ ˈsi-lə-ˌkōn How to pronounce silicone (audio) \

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

Kickstarter has played a big role in the success stories of some of these direct-to-consumer kitchenware companies, such as Misen (knives) and GIR (silicone spatulas BA happens to be obsessed with). Dayna Evans, Bon Appetit, "Cheap kitchenware companies are popping up everywhere. But does the quality live up to the hype?," 29 Mar. 2018 All of the Best Products and Methods for Curly Hair Using a formula free of sulfates, parabens, and silicone, Wash Day Wonder makes tangles and knots disappear. Ashley Weatherford, The Cut, "This Product Makes Washing Curly Hair So Much Easier," 21 Mar. 2018 No connection has been found between the disease and what is inside the implants — salt water or silicone. Denise Grady, New York Times, "More Cases Are Reported of Unusual Cancer Linked to Breast Implants," 21 Mar. 2018 This vegan formula spares your hair from harsh chemicals, like parabens and silicone, while infusing it with peony extract, a dry-scalp soother that’s been linked to hair growth. Allison Young, Sunset, "11 Best Biodegradable Beauty Products," 22 Jan. 2018 This vessel is placed inside a larger, more rigid outer shell made of medical grade polystyrene and a large silicone o-ring. Carolyn L. Todd, SELF, "These Two Women Both ‘Carried’ Their Baby Using Reciprocal Effortless IVF," 16 Nov. 2018 Cells placed on a mushroom cap lasted several days longer those left on a piece of silicone. David Grossman, Popular Mechanics, "Your Next Electrical Source: Bionic Mushrooms," 9 Nov. 2018 Softening primers already exist, but most deliver that baby-smooth effect with a hearty dose of silicones. Rachel Nussbaum, Glamour, "This Black Primer Works Like Magic on Your Skin," 24 Sep. 2018 Scrape down the sides with a silicone spatula and mix in the eggs, vanilla, baking powder and salt. Alison Roman, The Seattle Times, "‘We are all connected by cookies’: A tribe with a bond stronger than royal icing," 12 Dec. 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

9 Apr 2019

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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 How to pronounce silicone (audio) \

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

Rhyming Dictionary: Words that rhyme with silicone Encyclopedia article about silicone

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