1. corundum

noun. ['kɝˈʌndəm'] very hard mineral used as an abrasive.

Words that Rhyme with Corundum

• carborundum

Example sentences of the word corundum

1. Noun, singular or mass
Rubies are part of the corundum family and are identified by their rich, red color.

2. Adjective
Sapphire, a member of the corundum family of gems, exhibits a broad color range.