Corundum (Noun)
Meaning
Very hard mineral used as an abrasive.
Classification
Nouns denoting substances.
Examples
- The drill bit was tipped with corundum to enable it to cut through the hard rock.
- Corundum is a key component in the manufacture of sandpaper and other abrasive materials.
- The corundum grains in the grinding wheel were responsible for its ability to sharpen the blade.
- The gemstone ruby is a type of corundum that is prized for its deep red color.
- The polishing compound contained corundum, which helped to remove scratches from the metal surface.