corundum
noun/kəˈɹʌn.dəm/UK
Etymology
From Tamil குருந்தம் (kuruntam, “ruby, sapphire”) First attested in the early 18th century.
Definitions
An extremely hard mineral, a form of aluminum oxide with the chemical formula Al₂O₃, that…
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.
The neighborhood
Vish — recursive loop
No curated loop yet for corundum. Loops are being traced one word at a time while the ingestion pipeline matures.
sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA