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cortico-
corticoid
corticospinal
corticosteroid
corticotropin
cortisol
cortisone
Cortland
corundum
coruscate
Corvallis
corvée
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corvette
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corvina (2)
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corundum
co·run·dum [ kə rúndəm ]


noun 
Definition:
 
hard mineral: a hard mineral form of alumina that crystallizes in a range of colors. Use: gems, abrasives.
See also  sapphire (sense 1) ruby (sense 1)

[Early 18th century. < Tamil kuruntam]
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