Is “Buckyball” a Scrabble word?
Yes
BUCKYBALL
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Buckyball
noun
1.A buckminsterfullerene molecule (C60).
2.(by extension) The most common types of spheroidal fullerenes, C60 and C70 usually, with additionally C72 and C76 also included at times.
3.(by extension) Any spheroidal fullerene, from C20 on upwards.