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| ru·by [ rbee ] (plural ru·bies) |
noun |
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| Definition: |
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1. red gemstone: a red precious stone that is a form of corundum. Use: jewelry, manufacture of watches, precision instruments.
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2. deep red: a deep glowing purplish red color like that of a ruby
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| [14th century. Via Old French rubi< medieval Latin rubinus< Latin rubeus "red"] |
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 ru·by adjective |
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