| Answer | Crossword Clue |
|---|---|
| XENON | Flash lamp gas |
| STROBE | Flash lamp |
| XENON | Flash lamp filler |
| flashes | cause (a lamp) to flash |
| stroboscopes | A lamp made to flash intermittently, esp. for this purpose |
| stroboscope | A lamp made to flash intermittently, esp. for this purpose |
