Silicone (noun)

1. A synthetic polymer made from silicon, oxygen, carbon, and hydrogen, used in sealants, adhesives, and lubricants.
2. A type of plastic that is heat-resistant, flexible, and durable.

Origin:

Late 19th century: from silicon + -one.

Examples:

1. The sealant used in the kitchen was silicone.
2. The baking pan was made of silicone and it was safe to use in the oven.
3. Silicone is a common material used in medical implants.
4. Silicone is a popular material used in cookware because it is heat-resistant.
5. The adhesive on the label was silicone-based.