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| haf·ni·um [ háfnee əm ] |
noun |
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| Definition: |
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metallic element: a bright silvery metallic element. Source: zirconium ores. Use: absorption of neutrons in nuclear reactor rods, manufacture of tungsten filaments.
Symbol Hf
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| [Early 20th century. < modern Latin< Hafnia, Latin name for Copenhagen, Denmark] |
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