| Answer | Crossword Clue |
|---|---|
| generatrices | GENERATRIX, a line, point or figure that traces out another figure by its motion |
| generatrix | a line, point or figure that traces out another figure by its motion |
| center | point that is related to a geometrical figure in such a way that for any point on the figure there is another point on the figure such that a straight line joining the two points is bisected by the original point called also center of symmetry |
