Obs. rare. [f. SPHEROID a. + -ITY.] Spheroidicity.
1740. Cheyne, Regimen, 5. The Rotundity, or at least the Spheroidity of its constituent particles.
1794. G. Adams, Nat. & Exp. Philos., IV. xlii. 133. The orbit of the earth has an eccentricity, more than double in proportion to the spheroidity of its globe.
