neptunium series

noun

a radioactive series that starts with plutonium-241 and ends with bismuth-209. Neptunium-237 is the longest-lived member of the series. The series does not occur in nature

Words nearby neptunium series

nepos, nepotism, neptune, neptunian, neptunium, neptunium series, ner tamid, neral, nerc, nerd, nerdic