corundum

Valid in Scrabble

Pronunciation

/kəˈɹʌn.dəm/(UK)

Definition of corundum

1 sense · 1 part of speech · etymology included

noun

(countable, uncountable)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.

Definitions from Wiktionary, CC BY-SA.

From Tamil குருந்தம் (kuruntam, “ruby, sapphire”) First attested in the early 18th century.

74 playable · top: CUNDUM (11 pts)

9 words

19 words

34 words

11 words

1 extension · 1 back

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