noun
emery
EM-uh-ree/ˈeməri/
A hard mineral material used for polishing or grinding.
The emery cloth rests beside loose abrasive grains and a partly polished plate.

Etymology
Greek smyris named abrasive powder used for rubbing and polishing, directly matching emery's use. Its deeper origin is probably non-Greek, perhaps Semitic.
In context
If there's anything rusty there, you're either gonna have to replace that filler neck or you might be able to sand it down with a little bit of sandpaper or Emery cloth, and probably replace the gas cap as well.
More examples
- She smoothed the metal with emery.
- The workshop stocked emery.
- He examined the emery coating.
Forms
emery
Similar words
- abrasive
- The broader category of polishing materials.
- corundum
- A mineral that forms a major component of emery.