Definition of "benzene nucleus" []

• A closed chain or ring, consisting of six carbon atoms, each with one hydrogen atom attached, regarded as the type from which the aromatic compounds are derived. This ring formula is provisionally accepted as representing the probable constitution of the benzene molecule, C6H6, and as the type on which its derivatives are formed. (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)