1. biaryl - Noun
2. biaryl - Adjective
biaryl (plural biaryls)
(organic chemistry) Any compound containing a substructure that is an assembly of two aromatic rings or aryl groups, if joined by a single bond.
biaryl (not comparable)
(organic chemistry, especially in combination) Of or pertaining to a compound containing an assembly or substructure of two aromatic rings or aryl groups, if joined by a single bond.