Meaning of cobalt 60: A radioactive form of the metal cobalt, which is used as a source of radiation to treat cancer.

Definition of cobalt 60

A radioactive form of the metal cobalt, which is used as a source of radiation to treat cancer.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.