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 …

plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure.

Oct 31, 2025 · Plastic products are generally versatile, durable and lightweight. Plastic products are prominent in the construction, transportation, and packaging industries. Plastic innovations …

Plastic is a word that originally meant “pliable and easily shaped.” It only recently became a name for a category of materials called polymers. The word polymer means “of many parts,” and …

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 …

Plastics are incredibly versatile materials that can be used to make a variety of products. They are lightweight yet durable, strong yet malleable, and relatively inexpensive to produce. There are …

Jun 19, 2025 · Plastic coverage from Scientific American, featuring news and articles about advances in the field.

End Plastic Pollution highlights the impacts of plastic pollution on human and ecosystem health and how everyday actions can lessen the problem.

Jan 18, 2024 · There's a large and growing body of evidence linking chemicals in plastic and microplastics to a number of health concerns.

In this article, we'll examine the chemistry of plastic, how it's made, how it's used, and how it's disposed of and recycled. We'll also look at some new biologically based plastics and their role …