Advertisement
Advertisement
actinium series
noun
, Chemistry.
- the radioactive series that starts with uranium 235 and ends with a stable isotope of lead of mass number 207.
actinium series
noun
- a radioactive decay series that starts with uranium-235 and ends with lead-207
Discover More
Word History and Origins
Origin of actinium series1
First recorded in 1955–60
Advertisement
Word of the Day
[tawr-choo-uhs ]
Meaning and examplesStart each day with the Word of the Day in your inbox!
By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.
Advertisement
Advertisement
Advertisement
Browse