| Noun | 1. | fullerene - a form of carbon having a large molecule consisting of an empty cage of sixty or more carbon atomschemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions atomic number 6, carbon, C - an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds | |