This is just here as a test because I lose it
Term information
Subsets
NCIT_C116978, NCIT_C158122, NCIT_C61410, NCIT_C77526, NCIT_C116977
ALT DEFINITION
An unstable isotope of an element that decays or disintegrates spontaneously, emitting energy (radiation). (NTI)
An unstable form of a chemical element that releases radiation as it breaks down and becomes more stable. Radioisotopes may occur in nature or be made in a laboratory. In medicine, they are used in imaging tests and in treatment.
definition
A version of a chemical element that has an unstable nucleus and emits radiation during its decay to a stable form. (online dictionary)