hyperboloid[hī pʉr′bə lo̵id′]
- a solid often formed by rotating a hyperbola around either main axis: its plane sections are hyperbolas, ellipses, or circles
- the surface of such a solid
Either of two quadric surfaces generated by rotating a hyperbola about either of its main axes and having a finite center with certain plane sections that are hyperbolas and others that are ellipses or circles.
top: hyperboloid of one sheet
bottom: hyperboloid of