1. A bivalent organic radical derived from benzene by removal of two hydrogen atoms, used in the formation of various chemical compounds and polymers.
Usage: chemistry; technical

Examples

• Phenylene groups are commonly found in aromatic polymers and resins.
• The para-phenylene structure is used in the production of high-performance plastics.
• Phenylene units link together to form polyphenylene sulfide.
• Researchers studied the properties of meta-phenylene compounds.
• Phenylene-based materials exhibit excellent thermal stability.