RDD

American  

Marketing.

1. random digit dialing.

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Example Sentences

It is known as an RDD - a radiological dispersal device.

From BBC

The Department of Homeland Security is particularly concerned about the degenerate case of a phantom RDD, where no radioactive material is used but an implication or anonymous tip indicates there is.

From Forbes

Although the public generally thinks of Pu and enriched-U when hearing the word radioactive, these are not effective RDD materials because they are primarily alpha emitters, are costly, cannot be obtained in large amounts, are well-tracked and secured, and are more useful to terrorists in the production of an actual nuclear weapon than being wasted in an RDD.

From Forbes

In this sense, 137CsCl powder is by far the most effective RDD material and the only terrorist’s material of choice.

From Forbes

Those materials considered most likely to be used in an RDD, such as cobalt-60 and cesium-137, have legitimate medical, commercial and industrial uses.

From Forbes