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Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An orthorhombic-dipyramidal mineral containing carbon, oxygen, and uranium.

from The Century Dictionary and Cyclopedia

  • n. A uranyl carbonate, UO2.CO2, occurring as a yellow alteration crust on pitchblende. It is highly radioactive. Also written rutherfordite.

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