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

This set of 15 glass containers, $39.99 on Wayfair, comes with a silicone seal to ensure zero leak or spilling. —Nora Colomer, Fox News, 28 Oct. 2024

Its versatile silicone head won't scratch your cookware but is still sturdy enough to scrape stubborn food bits from the pan. —Erika Owen, Architectural Digest, 28 Oct. 2024

Younger babies will appreciate these silicone teethers or an engaging underwater-scene playmat, while older babies will get a kick out of chasing a musical mirror on wheels. —Chaunie Brusie, Rn, Parents, 25 Oct. 2024

The Trio has a premium-grade aluminum enclosure, vegan-leather base, silicone charging puck, plus sturdy and durable hinges. —Mark Sparrow, Forbes, 24 Oct. 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