English dictionary
neptunium meaning and definition
Definition and meaning of neptunium at MeaningMonkey.org. neptunium meaning and definition in the English Dictionary.NEPTUNIUM noun
Definition of neptunium (noun)
- a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium
- synonyms: atomic number 93, Np
Source: Princeton University Wordnet