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

The vacuum has Shark’s signature flexible silicone fins, which keep hair from building up in the brush. —Rachel Trujillo, Peoplemag, 17 Aug. 2024

Goggins’ transformation process required nine silicone pieces. —Jazz Tangcay, Variety, 16 Aug. 2024

Logos on distal parts (hands, feet, ankles, wrists) are the most visible, but companies brand other parts of a limb, too: tightening knobs, silicone liners, socks, and running blades. —Chloé Valentine Toscano, The Atlantic, 14 Aug. 2024

It’s made without silicone, fragrance, or essential oils — all of which can potentially irritate skin. —Marilyn La Jeunesse, Travel + Leisure, 1 Aug. 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