noun
- a colorless flammable gas used in making plastics and other chemicals
Usage: chemistry
Examples
- Propylene is a key ingredient in manufacturing polypropylene plastic.
- The chemical plant produces propylene from petroleum refining.
- Many household items contain plastics made from propylene.
- Propylene glycol is derived from propylene gas.
- The factory converts propylene into various synthetic materials.
- Propylene is stored under pressure as a liquefied gas.