from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A rejected name for hafnium.

from the GNU version of the Collaborative International Dictionary of English

  • n. A rare metallic element, of doubtful identification, said to occur in the copper-nickel of Norway. Not recognized as an element (1999).

from The Century Dictionary and Cyclopedia

  • n. Chemical symbol, Ng. A supposed metallic element closely related to bismuth. Its properties have not been fully investigated nor its elementary nature fully established.


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