plastic noun definition in Waste and pollution topic from the Oxford Advanced Learner's Dictionary

plastic

 noun: Waste and pollution topic
[uncountable, countable, usually plural] a light strong material that is produced by chemical processes and can be formed into shapes when heated. There are many different types of plastic, used to make different objects and fabrics. The pipes should be made of plastic. a sheet of clear plastic the plastic industry chairs made from plastic dashboards moulded in plastic