1. A chemical compound consisting of two phenyl groups bonded together; biphenyl.
Usage: chemistry; also called biphenyl

1. Containing or composed of two phenyl groups.
Usage: chemistry

Examples

• Diphenyl is used as a fungicide in the packaging of citrus fruits.
• The diphenyl compound has a melting point of 69 degrees Celsius.
• Researchers synthesized a new diphenyl derivative for the study.
• Diphenyl ether is an important industrial chemical.
• The diphenyl structure consists of two benzene rings connected by a single bond.