English Dictionary

NEPTUNIUM

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IPA (US): 

 Dictionary entry overview: What does neptunium mean? 

NEPTUNIUM (noun)
  The noun NEPTUNIUM has 1 sense:

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

  Familiarity information: NEPTUNIUM used as a noun is very rare.


 Dictionary entry details 


NEPTUNIUM (noun)


Sense 1

Meaning:

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

Classified under:

Nouns denoting substances

Synonyms:

atomic number 93; neptunium; Np

Hypernyms ("neptunium" is a kind of...):

metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)


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