Glossary Term:

Title

ionizing radiation

Phonetic


Description

high-energy particles or rays which can cause electrons to split off atoms. Certain types of ionizing radiation (such as x-rays) are used in medical diagnosis to make pictures of what is inside the body. Carefully controlled radiation doses are used in cancer treatment to kill cancer cells and shrink tumors. Large doses of ionizing radiation can also cause cancer. See also radiation dose, x-ray.