polypropylene

noun

Any of various thermoplastic polymers of propylene. They are hard and tough, and are used to make molded articles and fibers.

noun

A fabric of fibers made from any of these polymers.

noun

A thermoplastic resin made by the polymerization of propylene – used for films, fibres, or moulding materials. Also known as polypropene.

noun

a polymer of propylene used as a thermoplastic molding material