corundum |
|
corundum |
run |
As a noun corundum
is (mineral) an extremely hard mineral, a form of aluminum oxide with the chemical formula al]]
2[[oxygen|o
3, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive.
As a proper noun run is
.
corundum |
curundum |
As nouns the difference between corundum and curundum
is that
corundum is (mineral) an extremely hard mineral, a form of aluminum oxide with the chemical formula al]]
2[[oxygen|o
3, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive while
curundum is .
corundum |
noncorundum |
corundum |
conundrum |
As nouns the difference between corundum and conundrum
is that
corundum is an extremely hard mineral, a form of aluminum oxide with the chemical formula Al
2O
3, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive while
conundrum is a difficult question or riddle, especially one using a play on words in the answer.
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