noun
- chemical compounds consisting of two benzene rings connected by a single bond
Usage: chemistry; plural form
Examples
- Polychlorinated biphenyls were once widely used in electrical equipment.
- The laboratory analyzed soil samples for biphenyl contamination.
- Biphenyls are important intermediates in organic synthesis.
- Environmental regulations restrict the use of certain biphenyls.
- The chemical structure of biphenyls makes them useful in industry.
- Researchers studied the toxicity of various biphenyl derivatives.