Definitions from Wiktionary (corundum)
▸ noun: (mineralogy) 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.
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▸ noun: (mineralogy) 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.
Similar:
corundom,
curundum,
ruby,
aluminium oxide,
aluminum oxide,
alumina,
garnet,
emery,
carborundum,
sapphire,
more...
Opposite:
Phrases:
Adjectives:
▸ Word origin▸ Words similar to corundum
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▸ Words that often appear near corundum
▸ Rhymes of corundum
▸ Invented words related to corundum