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

His unclassifiable works in colored silicone, both painting and sculpture, bridge the gap between tradition and contemporary practice. —Y-Jean Mun-Delsalle, Forbes, 1 Jan. 2025

This styling product features a moisturizing trifecta of argan oil, vitamin E, and the brand's proprietary thermal polymer (otherwise known as silicone) to give any hairstyle a smoother, sleeker effect. —Jennifer Hussein, Allure, 28 Dec. 2024

Line a baking tray with a silicone baking mat or parchment paper. —Christine Rousselle, Fox News, 18 Dec. 2024

Shorts are also a key part of the collection and all of them include a silicone grip waistband to ensure shirts stay tucked in. —Jean E. Palmieri, WWD, 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