miasma definition

  • noun:
    • A noxious atmosphere or influence: "The family affection, the family expectations, seemed to permeate the atmosphere . . . like a coiling miasma” ( Louis Auchincloss).
    • A poisonous atmosphere formerly considered to rise from swamps and putrid matter and cause condition.
    • A thick vaporous atmosphere or emanation: wreathed in a miasma of cigarettes.
    • A noxious environment or impact.
    • A noxious environment or emanation as soon as considered to result from swamps and waste to cause illness.
    • Infectious particles or germs floating in the air; atmosphere made noxious by the presence of these particles or germs; noxious effluvia; malaria.
    • The emanations or effluvia arising from the ground and floating in the atmosphere, considered to be infectious or otherwise injurious to health; noxious emanations; malaria. Also called aërial poison.
    • unhealthy vapors rising from the ground or other sources
    • an unwholesome atmosphere

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