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

These include a standing grip case, silicone case, rugged case, kindsuit case and magnet case. —Ewan Spence, Forbes, 14 Dec. 2024

The silicone bristles won’t leave your head feeling raw or irritated. —Rebecca Martinson, Rolling Stone, 12 Dec. 2024

The binoculars come with a breakaway neck strap, and the lenses are padded with comfortable silicone pads for added safety. —Cai Cramer, People.com, 12 Dec. 2024

Reduce heat to low and cook, stirring constantly and scraping bottom of saucepan with a silicone spatula, until chocolate is melted and smooth, about 3 minutes. —Anna Theoktisto, Southern Living, 10 Dec. 2024

Word History

Etymology

silicon + -one

First Known Use

1943, in the meaning defined above

Phrases Containing silicone

• silicone rubber

Kids 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