A general term applicable to all atomic forms of anelement. Nuclides are characterized by the number ofprotonsandneutronsin thenucleus, as well as by the amount of energy contained within theatom
Centers for Disease Control and Prevention, Emergency Preparedness and Response, Radiation Emergencies, Radiation Dictionary, U.S. Department of Health and Human Services, Atlanta, GA, USA 2011. http://emergency.cdc.gov/radiation/glossary.asp, (Dzstr/ Rad Emr - Amer) {820}