Alumina (Noun)
Meaning
Any of various forms of aluminum oxide occurring naturally as corundum.
Classification
Nouns denoting substances.
Examples
- The spark plug's insulator was made of high-purity alumina, providing excellent electrical and thermal resistance.
- Synthetic corundum, also known as alumina, is used extensively in abrasives and refractories.
- Due to its exceptional hardness, alumina is often used in the manufacture of ceramic cutting tools and components.
- The process involved the extraction of alumina from bauxite ore through chemical treatment and heat application.
- Alumina in its pure form is used in the production of high-temperature crucibles, furnace linings, and refractory bricks.