Sphericalness
The Century Dictionary and Cyclopedia
noun.
The state or property of being spherical; sphericity.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
The quality or state of being
spherical
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the roundness of a 3-dimensional object
Word Usage
"A real, honest, live boob has its own attraction but in its hemi-sphericalness, it could never replace a ball."
Hypernym
Words that are more generic or abstract
roundness