radioactive dust
Noun
Meaning
the radioactive particles that settle to the ground after a nuclear explosion
Source: WordNetSynonyms
Hypernyms
Examples
I'm not raising any kids to be radioactive dust.
If my years as a shatterling had taught me anything, it was that not all questions had answers. Societies had reduced themselves to radioactive dust because they could not accept that single unpalatable truth.
Shoot at us, we will nuke you all and let God sort out your radioactive dust.