- helix by Madeline Jensen
a curve that lies on a cylinder or cone, at a constant angle to the line segments making up the...
- spiral by WordNet
nounA plane curve traced by a point circling about the center but at increasing distances from the...
- Spiral by Webster's
(a.) Of or pertaining to a spiral; like a spiral.(a.) Anything which has a spiral form, as a spiral...
- Helix by WordNet
nounA curve that lies on the surface of a cylinder or cone and cuts the element at a constant...
- exterior by Andrew Evans
[ ek′stir·ē·ər] (mathematics) For a set A. In a topological space, the largest open set...