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MIASMA
MIASMA:
■ noun
A poisonous atmosphere formerly thought to rise from swamps and putrid matter and cause disease.A thick vaporous atmosphere or emanation.
A noxious atmosphere or influence .
eg.One does not argue or contend with the foul miasma that settles over stagnant water; one leaves it and climbs to a higher region, where the air is pure and the sunshine fair.
