Radiological dispersion device (RDD)
A device that spreads radioactive material by exploding a conventional (non-nuclear) explosive.
See also: dirty bomb, TIR
Glossary Source
JRC EU CBRNe Glossary
(
EU Glossary on Chemical, Biological, Radiological, Nuclear, and Explosive risks
)
https://publications.jrc.ec.europa.eu/repository/bitstream/JRC128863/JRC128863_01.pdf