| In geometry, an oval or ovoid (from Latin ovum, 'egg') is any curve resembling an egg or an ellipse. Unlike other curves, the term 'oval' is not well-defined and many distinct curves are commonly called ovals. These curves have in common that: • they are differentiable (smooth-looking), simple (not self- intersecting), convex, closed, plane curves;, • their shape does not depart too much from that of a circle or an ellipse, and, • there is at least one axis of symmetry. The word ovoidal refers to the characteristic of being ovoid... |
