atomic number 31 definition

  • noun:
    • a rare silvery (usually trivalent) metallic element; brittle at reduced temperatures but liquid above room temperature; does occur in trace quantities in bauxite and zinc ores
    • an uncommon silvery (usually trivalent) metallic element; brittle at reduced temperatures but fluid above room temperature; does occur in trace amounts in bauxite and zinc ores

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  • Hypernym for "atomic number 31"
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