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

Also, Parachute recommends washing your towels before their first use to remove its silicone coating. —Lauren Thomann, Better Homes & Gardens, 4 Mar. 2025

To still take part in the Disney magic, switch out your Apple Watch band for these silicone ones engraved with park icons like the castle, Epcot ball, Mickey, and Minnie. —Erin Cavoto, Travel + Leisure, 2 Mar. 2025

Apple iPhone 16e silicone cases come in winter blue, fuchsia, lake green, black and white. —Greta Cross, USA TODAY, 1 Mar. 2025

Because of the coating, any type of utensil, like silicone, wood, or stainless steel, can be used with the bowls without causing damage. —Shea Simmons, Southern Living, 25 Feb. 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