Actinium Series

C1 8+

Pronunciation: /ækˈtɪniəm ˈsɪəriz/

Definitions of actinium series

noun A series of radioactive elements that starts with actinium and ends with lead-206, including actinium, thorium, protactinium, uranium, and various isotopes of these elements.

Example Sentences

A1 The actinium series is a group of radioactive elements.

A2 Students in chemistry class learned about the actinium series.

B1 Scientists study the actinium series to understand radioactive decay.

B2 The actinium series is important in nuclear medicine for cancer treatment.

C1 Researchers are exploring the potential uses of actinium series isotopes in targeted alpha therapy.

C2 The actinium series provides valuable insights into the behavior of heavy radioactive elements.

Examples of actinium series in a Sentence

formal The actinium series is a radioactive decay chain that starts with the element actinium-227.

informal Did you know about the actinium series and how it decays over time?

slang Yo, the actinium series is like a chain reaction of radioactive elements.

figurative The actinium series can be compared to a domino effect, with each element decaying into the next.

Grammatical Forms of actinium series

plural

actinium series

comparative

more actinium series

superlative

most actinium series

present tense

actinium series

future tense

will be actinium series

perfect tense

has been actinium series

continuous tense

is being actinium series

singular

actinium series

positive degree

actinium series

infinitive

to actinium series

gerund

actinium series

participle

actinium series

Origin and Evolution of actinium series

First Known Use: 1899 year
Language of Origin: Latin
Story behind the word: The term 'actinium series' originated in the field of chemistry to describe a series of radioactive elements that decay into each other through a series of alpha and beta decays.
Evolution of the word: Originally used to describe the radioactive decay series starting with actinium-227, the term has evolved to encompass the entire series of elements that decay into each other in a similar manner.