| Answer | Crossword Clue |
|---|---|
| retroreflector | A device that reflects light back along the incident path, irrespective of the angle of incidence |
| retroreflectors | A device that reflects light back along the incident path, irrespective of the angle of incidence |
| Answer | Crossword Clue |
|---|---|
| retroreflector | A device that reflects light back along the incident path, irrespective of the angle of incidence |
| retroreflectors | A device that reflects light back along the incident path, irrespective of the angle of incidence |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.