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 mats, made from food-grade silicone, lie flat on baking sheets and ensure pastries, cookies, veggies, and more won’t stick to the pan. —Maggie Horton, People.com, 5 Nov. 2024

While most of the top brands don’t demonstrate a correlation between views growth and TikTok Shop momentum, anti-wrinkle silicone patch brand Wrinkles Schminkles is a key exception. —Noor Lobad, WWD, 5 Nov. 2024

Luckily, this reusable silicone ball can capture it all and keep the interior of your bags much neater. —Wendy Vazquez, Better Homes & Gardens, 4 Nov. 2024

Plus, it’s made from a flexible silicone that’s comfortable to wear throughout the duration of its 10-minute treatment. —Kiana Murden, Vogue, 1 Nov. 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