ALL meanings of actinium series
ac·tin·i·um se·ries
A a - noun actinium series a radioactive decay series that starts with uranium-235 and ends with lead-207 3
- noun actinium series natural radioactive decay series starting with uranium-235 and ending with lead-207 3
- noun actinium series the radioactive series that starts with uranium 235 and ends with a stable isotope of lead of mass number 207. 1