corundum

Meanings

Plural: corundums

Noun

very hard mineral used as an abrasive
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.

Origin / Etymology

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

Synonyms

corundom

Scrabble Score: 13

corundum is a valid Scrabble (US) TWL word
corundum is a valid Scrabble Word in Merriam-Webster MW Dictionary
corundum is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 18

corundum is a valid Words With Friends word