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Noun: miasma (miasmas,miasmata)  mI'az-mu
  1. An unwholesome atmosphere
    "the novel spun a miasma of death and decay";
    - miasm
  2. Unhealthy vapours rising from the ground or other sources
    "a miasma of cigar smoke"; "the miasma of the marshes";
    - miasm

Derived forms: miasmas, miasmata

Type of: air pollution, ambiance, ambience, atmosphere

Encyclopedia: Miasma