radioactive dust

radioactive dust

noun
the radioactive particles that settle to the ground after a nuclear explosion [syn: fallout
WordNet® 3.0, © 2006 by Princeton University.
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Radioactive dust is always a great word to know.
So is ort. Does it mean:
a scrap or morsel of food left at a meal.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
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