noun
- plural of polyethylene; synthetic thermoplastic polymers made from ethylene, used to make plastic bags, bottles, and other products
Usage: chemistry; materials science
Examples
- Different types of polyethylenes are used for various packaging applications.
- High-density and low-density polyethylenes have different properties.
- The factory produces several grades of polyethylenes for industrial use.
- Recycling programs accept most polyethylenes marked with recycling codes 2 and 4.
- Scientists are developing biodegradable alternatives to traditional polyethylenes.
- The chemical plant specializes in manufacturing various polyethylenes and other plastics.