Meaning of the word isotope in English

What does isotope mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

isotope

US /ˈaɪ.sə.toʊp/
UK /ˈaɪ.sə.təʊp/
"isotope" picture

Noun

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.

Example:
Carbon-14 is a radioactive isotope of carbon.
Scientists use different isotopes to date ancient artifacts.