Aluminum Oxide (Noun)
Meaning
Any of various forms of aluminum oxide occurring naturally as corundum.
Classification
Nouns denoting substances.
Examples
- The abrasive properties of aluminum oxide made it a valuable commodity for the manufacture of grinding stones and sandpaper.
- A protective layer of aluminum oxide formed on the surface of the aluminum alloy, providing corrosion resistance.
- Ruby and sapphire are both forms of corundum, a mineral composed of aluminum oxide.
- The aluminum oxide particles embedded in the teeth of the file helped to smooth out the metal surface.
- Corundum, another name for aluminum oxide, is the mineral from which rubies and sapphires are derived.