miasma

Definition

A noxious atmosphere or emanation once thought to originate from swamps and waste, and to cause disease.

Etymology

First attested in 1665. From Ancient Greek μίασμα (míasma, “stain; pollution”).

Example Sentences

• "There was an earthy smell, as of some dry miasma, which came through the fouler air."
• "It was into this lossy compression miasma that aptX was born."

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