Polymer (noun)

1. A substance made up of a large number of repeating units, typically long chains of linked atoms, formed by chemical reactions between many small molecules.
2. A material made of polymer, especially a plastic.

Origin:

Early 20th century: from greek polus "many" + -mer.

Examples:

1. Polymer is widely used in manufacturing industry.
2. Polymer is a synthetic material.
3. The polymer was used to make the plastic bottles.
4. The polymer is a type of plastic.
5. Polymer is a versatile material that can be used in many applications.