downdraft [doun-draft, -drahft] Word Origin noun

  1. a downward current, as of air: a downdraft in a mine shaft.
  2. a downward movement, as of the stock market.

Origin of downdraft First recorded in 1780–90; down1 + draft downdraft in Science downdraft [doun′drăft′]

  1. A downward moving current of air in a cumulonimbus cloud. Compare updraft.

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