Laxi Dictionary

English Dictionary

Define dictionary terms easily in our powerful online English dictionary.

Searching for...

No matching words found

Try a different search term or browse the dictionary

Definition neptunium in British English

neptunium noun

[uncountable] noun
/nepˈtjuːniəm/
1

a chemical element that is a radioactive metal. Its symbol is Np.

Synonyms and related words
actinium alkali metal americium
Definition neptunium in British English