Alumina (noun)

A white powdery substance that is the main component of alum and other aluminum compounds.

Origin:

From latin alumen ("alum") + -ina, meaning "a white powdery substance that is the main component of alum and other aluminum compounds".

Examples:

  1. Alumina is used as a filler and abrasive in various industrial applications.
  2. The alumina is used to produce aluminum metal by electrolysis.
  3. Alumina is used as a catalyst in the chemical industry.
  4. The ceramic material was made up of alumina and silicon carbide.
  5. Alumina is used in the production of aluminum oxide ceramics.
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