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

Okuma was also given an intimacy coordinator, even though the body on the gurney was a silicone model. —Esther Kang, People.com, 14 Mar. 2025

The latest assortment features Sakura Elite jerseys that sport Murakami’s vibrant colors, floral artwork and other graphics molded into 3-D silicone patches and hand-stitched onto the jerseys. —Jean E. Palmieri, WWD, 13 Mar. 2025

The rig consists of a gurney with a silicone prosthetic of a belly, legs, and a vaginal canal anchored on top. —Kathryn Vanarendonk, Vulture, 13 Mar. 2025

The tiny buds tuck into the ear canal and come with four sizes of silicone tips to tuck securely at different angles. —Maggie Slepian, Travel + Leisure, 11 Mar. 2025

Word History

Etymology

silicon + -one

First Known Use

1943, in the meaning defined above

Phrases Containing silicone

• silicone rubber

Rhymes for silicone

• acetone
• anglophone
• baritone
• bourguignon
• buspirone
• chaperon
• chaperone
• cobblestone
• collarbone
• cornerstone
• cortisone
• dictaphone

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