dust contamination

English Thesaurus

1. the act of contaminating with dust particles (noun.act)

hypernym	:	contamination, pollution,
definition	:	the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors (noun.act)

2. state of being contaminated with dust (noun.state)

hypernym	:	contamination, taint,
definition	:	the state of being contaminated (noun.state)