| Answer | Crossword Clue |
|---|---|
| toroid | a type of geometric surface |
| toroids | TOROID, a type of geometric surface |
| toroidal | pertaining to a toroid (a type of geometric surface) |
| toroidally | TOROIDAL, pertaining to a toroid (a type of geometric surface) |
| PLANAR | Of a geometric surface |
| quadric | a geometric surface |
| catenoid | a geometric surface |
| catenoids | CATENOID, a geometric surface |
| quadrics | QUADRIC, a geometric surface |
