metalscanner
nounUK /ˈmɛtəl ˈskænə/
US /ˈmɛtəl ˈskænər/
A machine that checks if something has metal inside it.
The guard used a metalscanner to check the bags at the door.
OTHER MEANINGS
2. A handheld tool that beeps when it finds metal nearby.
She waved the metalscanner over the sand and found a lost coin.
3. A device used at airports to look for hidden metal objects.
Every passenger walks through the metalscanner before boarding.
4. A machine in a factory that finds bits of metal in food or products.
The metalscanner stopped the line when it spotted a tiny screw.