Radioactive material
Definition:
Material that contains unstable (radioactive) atoms that give off [ionizing] radiation as they decay.
Source:
CDC
Glossary of Radiological Terms
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Related words:
Caesium - Countdown 2010 - Iodine - Radiation - Radioactivity - Strontium-90
To read about this term in context:
GreenFacts Summary on the Chernobyl Nuclear Accident:
Translation(s):
Español: Material Radiactivo
Français: Substance radioactive
Related publications:






