Lexic.us

Definition of Neptunium

1. Noun. A radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium.

Definition of Neptunium

1. n. A new metallic element, of doubtful genuineness and uncertain identification, said to exist in certain minerals, as columbite.

Definition of Neptunium

1. Noun. The transuranic chemical element with atomic number 93 and symbol Np. ¹

¹ Source: wiktionary.com

Definition of Neptunium

1. [n -S]

Medical Definition of Neptunium

1. Neptunium. A radioactive element of the actinide metals family. It has the atomic symbol np, atomic number 93, and atomic weight 237. Chemical name: Neptunium (12 Dec 1998)

Lexicographical Neighbors of Neptunium

Literary usage of Neptunium

Below you will find example usage of this term as found in modern and/or classical literature:

1. Travels in Sicily, Greece & Albania by Thomas Smart Hughes (1820)
"... of Messina—Straits of the Faro—Scylla and Charybdis—Fortifications at the Faro Point—The Pantani, or Lakes of the Faro—Site of the neptunium—Heights of ..."

2. Proceedings of the American Philosophical Society Held at Philadelphia for by American Philosophical Society (1905)
"According to Hermann, the precipitate which was collected, pressed out and then boiled with water, should, if neptunium were present, have left a slimy mass ..."

3. The Chemical News and Journal of Industrial Science (1905)
"According to Hermano, the precipitate which was collected, pressed out and then boiled with water, should, if neptunium were present, havi left a slimy mass ..."

4. The Popular Science Review: A Quarterly Miscellany of Entertaining and (1877)
"He has determined the atomic weight of neptunium by an analysis of the ... He finds the density of neptunium to be 6-55, and the atomic volumes of the ..."

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