backdraught

 
Pronunciation: /ˈbakdrɑːft/
(US backdraft)

noun

  • 1a current of air or water that flows backwards down a chimney, pipe, etc.: when she opened the window she created a backdraught that sucked the fire right through the bedroom
  • 2a 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.

Derivatives

backdraughting

noun