- a granular mineral substance consisting typically of corundum mixed with magnetite or hematite, used powdered, crushed, or consolidated for grinding and polishing.
- a male or female given name.
- a hard greyish-black mineral consisting of corundum with either magnetite or haematite: used as an abrasive and polishing agent, esp as a coating on paper, cloth, etc. Formula: Al 2 O 3
- (as modifier)
