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Alundum

7 lettersnounrare

Updated June 2026

Definition

A hard abrasive material made by fusing aluminium oxide, used in grinding and refractory applications.

The grinding wheel was made from alundum, chosen for its exceptional hardness.

Pronunciation

Syllables

a·lun·dum

Related Words

Synonyms

corundum

Word Game Tips

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Wordle

Three vowels (A, U, U) with double U and ends in -UM, an obscure technical term unlikely in Wordle.

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Scrabble

Worth 10 points, the double U and M at the end make this a strong specialist play.

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