Search Result for "radioactive dust":
Wordnet 3.0

NOUN (1)

1. the radioactive particles that settle to the ground after a nuclear explosion;
[syn: fallout, radioactive dust]



WordNet (r) 3.0 (2006):

radioactive dust
    n 1: the radioactive particles that settle to the ground after a
         nuclear explosion [syn: fallout, radioactive dust]