The Collaborative International Dictionary of English v.0.48:
Globularness \Glob"u*lar*ness\, n. Sphericity; globosity. [1913 Webster]WordNet (r) 3.0 (2006):
globularness n 1: the roundness of a 3-dimensional object [syn: sphericity, sphericalness, globosity, globularness, rotundity, rotundness]