Skip to Content

radioactive isotope

 

Definition: an isotope with an unstable nuclear composition; such nuclei decompose spontaneously by emission of a nuclear electron (ß particle) or helium nucleus (a particle) and radiation (? rays), thus achieving a stable nuclear composition; used as tracers and as radiation and energy sources.

See: half-life

Disclaimer: This site is designed to offer information for general educational purposes only. The health information furnished on this site and the interactive responses are not intended to be professional advice and are not intended to replace personal consultation with a qualified physician, pharmacist, or other healthcare professional. You must always seek the advice of a professional for questions related to a disease, disease symptoms, and appropriate therapeutic treatments.
© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
Hide