Pronunciation · Spelling · Definition
How to say: neptunium
Spelling:
Neptunium
Syllables
neptunium
US accent
/nɛptˈuːniəm/
UK accent
/nɛptjˈuːniəm/
Advertisement
Definition
Definition — a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium