| Answer | Crossword Clue |
|---|---|
| crunodes | CRUNODE, a point at which a curve crosses itself |
| crunodal | pertaining to crunode (a point at which a curve crosses itself) |
| crunode | a point at which a curve crosses itself |
| node | point at which a curve intersects itself in such a manner that the branches have different tangents |
| crunode | a point at which two branches of a curve intersect, each branch having a distinct tangent; node |
| vertexes | The point at which an axis meets a curve or surface |
