Corundum

noun

/kəˈɹʌn.dəm/

Word Frequency: 0.2

Definitions

1.nounAn extremely hard mineral, a form of aluminum oxide with the chemical formula Al2O3, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive.

Synonyms

corundom emery curundum ruby aluminium oxide aluminum oxide alumina garnet carborundum sapphire alundum rock ruby

Rhymes With

anyone dumb bund im carborundum dunned him fund him gunned him refund him rund um

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