| Answer | Crossword Clue |
|---|---|
| PRISM | Refracting glass. |
| PRISM | Refracting glass |
| LENS | Refracting device |
| PRISM | Refracting device |
| PRISM | Refracting object |
| PRISM | Light-refracting crystal |
| PRISMS | Light-refracting devices |
| PRISM | Light-refracting object |
| PRISMS | Light-refracting objects |
| PRISM | Instrument for refracting light. |
| YERKESOBSERVATORY | Home of the world's largest refracting telescope |
