noun. An allotrope of carbon composed of any of various cagelike molecules that consist only of an even number of carbon atoms, are often spherical in shape, and are composed of hexagonal and pentagonal groups of atoms.

noun. any of a class of allotropes of carbon having hollow molecules whose atoms lie at the vertices of a polyhedron having 12 pentagonal and 2 or more hexagonal faces

noun. any closed-cage compound having twenty or more carbon atoms consisting entirely of 3-coordinate carbon atoms

noun. a form of carbon having a large molecule consisting of an empty cage of sixty or more carbon atoms

"The world known as Virga is a fullerene balloon 3,000 kilometers in diameter, filled with air, water, and aimlessly floating chunks of rock."

buckyball  buckytube  nanoparticle  nanotube  

buckminsterfullerene  fullerane  fulleride  fulleroid  

atomic number 6  c  carbon  

buckminsterfullerene  buckyball  carbon nanotube  nanotube  

4-2-3-1  4-4-2  4-5-1  clinician  close-order