<noun.state> the novel spun a miasma of death and decay
unhealthy vapors rising from the ground or other sources
<noun.state> the miasma of the marshes a miasma of cigar smoke
Miasma \Mi*as"ma\, n.; pl. {Miasmata}. [NL., fr. Gr. ? defilement, fr. ? to pollute.] Infectious particles or germs floating in the air; air made noxious by the presence of such particles or germs; noxious effluvia; malaria.
Every time I emerged from their territory into the miasma of the grandstand, I felt like an aristocrat.
Last Thursday Newsnight on BBC2 used a journey down the A1 to illustrate the erosion of Britain's manufacturing base, and the appalling miasma of despondency caused by unemployment.
The self-satisfaction hovering above my television set like a miasma is not entirely dispelled by switching over to Clive Anderson Talks Back (10.30pm, C4).