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downdraft |
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downdraft [′dau̇n‚draft]
(physics) A current of air or other gas that travels downward, as during a thunderstorm or in a mine shaft. downdraft, Brit. downdraught 1. A downward current of air in a chimney or flue, often carrying smoke with it. 2. A downward current of air resulting from the passage of air across a window surface, which cools it and increases its density so that it moves downward. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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