| Answer | Crossword Clue |
|---|---|
| TUNGSTEN | Light-bulb filament metal |
| TUNGSTEN | Light bulb filament metal |
| lightbulb | a glass bulb containing a low-pressure gas and a metal filament which glows when an electric current is passed through it |
| lightbulbs | LIGHTBULB, a glass bulb containing a low-pressure gas and a metal filament which glows when an electric current is passed through it |
| flashbulb | an oxygen-filled electric bulb in which aluminium or other foil or filament may be fired to provide a brilliant flash |
| flashbulbs | FLASHBULB, an oxygen-filled electric bulb in which aluminium or other foil or filament may be fired to provide a brilliant flash |
