| Answer | Crossword Clue |
|---|---|
| conoids | geometrical solid formed by the revolution of a conic section about one of its axes |
| conoidal | geometrical solid formed by the revolution of a conic section about one of its axes |
| conoid | geometrical solid formed by the revolution of a conic section about one of its axes |
| torus | a. doughnut-shaped surface generated by the revolution of a conic, esp. a circle, about an exterior line lying in its plane b. the solid enclosed by such a surface |
| tori | a. doughnut-shaped surface generated by the revolution of a conic, esp. a circle, about an exterior line lying in its plane b. the solid enclosed by such a surface |
