Source : Webster's Revised Unabridged Dictionary (1913)

Globosity \Glo*bos"i*ty\, n. [L. globositas: cf. F.
   globosit['e].]
   Sphericity. --Ray.

Source : WordNet®

globosity
     n : the roundness of a 3-dimensional object [syn: {sphericity},
         {sphericalness}, {globularness}, {rotundity}]