silicone

noun/ˈsɪlɪkoʊn/

Frequency rank: #8,613 most common English word

Meaning

a synthetic rubber-like material made from silicon, oxygen, and other elements, used for waterproofing, sealing, and insulation.

Illustration for the English word “silicone”

Example sentence

The plumber used silicone sealant to waterproof the edges of the bathtub.

Synonyms & related words

Practice this word in the quiz

More words in ranks 8,601–8,700