RhymeZone: superellipsoid definitions

Definitions of superellipsoid:

noun: (algebra, geometry) A closed surface, of which the sphere and ellipsoid are special cases, whose parametric equation is x = a.cos^(2/r)t, y = b.cos^(2/r)t, z = c.cos^(2/r)t.

(Definitions from Wiktionary)