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- Dictionaryback·draft/ˈbakdraft/
noun
- 1. a current of air or water that flows backward down a chimney, pipe, etc.: "when she opened the window she created a backdraft that sucked the fire right through the bedroom"
- 2. a phenomenon in which a fire that has consumed all available oxygen suddenly explodes when more oxygen is made available, typically because a door or window has been opened.
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