surface of revolution
mathematical term
Lemon
three-dimensional geometric shape
catenoid
type of surface in topology, arising by rotating a catenary curve about an axis
torus
doughnut-shaped surface of revolution, based on a revolved figure of a circle
toroid
any surface of revolution with a central hole
spheroid
volume formed by rotating an ellipse around one of its axes; special case of ellipsoid
spherical ring
round geometrical and circular object in three-dimensional space