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 There are four sizes of silicone ear tips supplied with the earphones, plus a set of foam ear tips and two sizes of secure-fit wings. Mark Sparrow, Forbes, 28 June 2022 That's why most earbuds on this list come with various silicone ear tips for every ear canal. Joel Balsam, Travel + Leisure, 21 June 2022 AirPods Pro are the only AirPods model that comes with three different silicone tips for a customizable in-ear fit. Heath Owens, Good Housekeeping, 2 June 2022 After incorporating some of Smith’s techniques, Fray turned to newer products and technology by adding in silicone and thin pieces to enhance the wrinkles. Jazz Tangcay, Variety, 3 June 2022 On the jerseys the color has silicone over it, yielding a reflective quality. cleveland, 2 June 2022 There are hundreds, if not thousands of toilet brushes on the market — everything from traditional bristle brushes to silicone and biodegradable brushes made from coconut husks. Jodhaira Rodriguez, Good Housekeeping, 24 May 2022 The silicone will also keep your pan from getting scratched up, Trujillo points out. Marygrace Taylor, SELF, 21 May 2022 Artem's creative designers and special effects technicians built models of the mammals in clay and molded them in silicone, according to The Guardian. Dezimey Kum, USA TODAY, 15 May 2022 See More

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.

First Known Use of silicone

1943, in the meaning defined above

History and Etymology for silicone

silicon + -one

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Time Traveler for silicone

Time Traveler

The first known use of silicone was in 1943

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Dictionary Entries Near silicone

silicon dioxide


silicone rubber

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Statistics for silicone

Last Updated

30 Jun 2022

Cite this Entry

“Silicone.” Dictionary, Merriam-Webster, Accessed 3 Jul. 2022.

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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 Encyclopedia article about silicone


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