noun

silicone

SIH-lih-kohn

noun

A flexible, heat-resistant synthetic material made from silicon, used in everything from bakeware to sealants to medical implants.

"The muffin tray was made of flexible silicone."

"Silicone sealant is used to waterproof bathroom joints."

verb

To seal or coat something with silicone.

"He siliconed around the edge of the sink to stop water getting underneath."

How to Use Silicone

Learner’s notes

In plain EnglishA rubbery, heat-resistant man-made material used for sealing, cooking tools, and implants.

Easily confused with

silicon →

Common pairings

silicone sealant silicone implants silicone mould

siliconed past tense, silicones plural, silicones singular

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Can you complete this real example?

The muffin tray was made of flexible _____.

Formed from silicon plus the suffix -one, originally coined when chemists tried to make a silicon version of a ketone.

one bone done gone none tone lone hone cone zone Sone stone