Plastic - Wikipedia
Plastics are a wide range of synthetic or semisynthetic materials composed primarily of polymers. Their defining characteristic, plasticity, allows them to be molded, extruded, or pressed into a diverse range of solid forms.

Plastic | Composition, History, Uses, Types, & Facts | Britannica
plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure.

PLASTIC Definition & Meaning - Merriam-Webster
The meaning of PLASTIC is a plastic substance; specifically : any of numerous organic synthetic or processed materials that are mostly thermoplastic or thermosetting polymers of high molecular weight and that can be made into objects, films, or filaments.

Plastic - Simple English Wikipedia, the free encyclopedia
Plastics are mostly petrochemicals, made from natural gas or from petroleum, a type of oil. Chemical engineers refine the petroleum which goes through a heating process. It develops ethylene and propylene, which are the chemical building blocks for many plastics. These chemicals are then combined with other chemicals to produce a polymer.

7 Main Types of Plastic: Properties, Uses & Impact
Explore the 7 main types of plastic, their properties, and environmental impact. Learn how plastic classification helps recycling and sustainable decisions.

Plastic: Types, Properties, Uses, Advantages & Disadvantages
Learn what plastic is, how it is made, the major types of plastic, their properties, manufacturing processes, advantages, disadvantages, applications, and recycling methods.

What is plastic? - BBC Bitesize
When the plastic is soft it can be poured into a mould. Once the plastic cools, it hardens into a shape. Plastic is a material that can be formed into almost any shape.

About Plastic Products and Plastic Pollution | US EPA
Plastic products are generally versatile, durable and lightweight. Plastic products are prominent in the construction, transportation, and packaging industries. Plastic innovations contributed to many life-saving products that revolutionized the health care industry.

Plastic - New World Encyclopedia
Plastics can be classified in many ways. Most commonly, they are named after their polymer backbone, such as polyvinyl chloride, polyethylene, acrylic, silicone, and urethane. Other classification systems include thermoplastic versus thermoset, elastomers, and engineering plastics.

Plastic: Definition, Types, Properties, Applications, Advantages, and ...
Plastic is a synthetic polymer made from various organic materials that can be molded into almost any shape. Some types of plastic are clear and transparent, like that used in disposable water bottles, while others are opaque and available in a range of colors.