What is the meaning of Neptunium?

  • (n.) A new metallic element, of doubtful genuineness and uncertain indentification, said to exist in certain minerals, as columbite.
  • (n.) A new metallic element, of doubtful genuineness and uncertain indentification, said to exist in certain minerals, as columbite.
Webster's Revised Unabridged Dictionary
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APAWebster's. (2011). neptunium. Retrieved September 28, 2026, from http://smartdefine.org/neptunium/definitions/2036425
ChicagoWebster's. 2011. "neptunium" http://smartdefine.org/neptunium/definitions/2036425 (accessed September 28, 2026).
HarvardWebster's 2011, neptunium, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/neptunium/definitions/2036425>.
MLAWebster's. "neptunium" 27 May 2011. Web. 28 September 2026. <http://smartdefine.org/neptunium/definitions/2036425>
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