OXFORD 9000
📚 noun • entry_id 20528

corundum

/kəˈɹʌn.dəm/
Meanings (ES + gloss)
corindón
An 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.
Phrases
No hay frases
Word forms