noun
- Plural of propylene; unsaturated hydrocarbons with three carbon atoms and one double bond, used in manufacturing plastics and other chemicals.
Usage: chemistry; technical; also called propene
Examples
- Propylenes are important feedstocks in the petrochemical industry.
- The refinery produces propylenes as a byproduct of crude oil processing.
- Propylenes are converted into polypropylene for use in packaging materials.
- Chemical engineers studied the polymerization of propylenes in the lab.
- Industrial demand for propylenes continues to grow each year.