Definition of backdraft in English:

backdraft

Syllabification: back·draft
Pronunciation: /ˈbakˌdraft
 
/
(British backdraught)

noun

  • 1A current of air or water that flows backward down a chimney, pipe, etc..
    More example sentences
    • He won the race after the lead Plymouth spun out temporarily when it lost its rear window to the suction of the backdraft.
    • However, out on the open road, the absence of a backdraught excluder screen (optional but not on the test car) meant wind noise and turbulence limited cruising speeds to what was comfortable.
    • The backdraft from its thrusters sent all of the cars flying.
  • 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.
    More example sentences
    • Plus, you have to watch for possible explosions, gas leaks, backdrafts, and flash fires, and so you can't just point your firefighters at fires and let them work on their own.
    • There are other hazards - collapsing ceilings, backdrafts, pools of oil, sudden explosions, exposed wiring, annoying little cleaning droids - but they all pale into insignificance next to the burning building around you.
    • Falling masonry, backdrafts and explosions are all very real dangers facing a firefighter outside the training room.

Derivatives

backdrafting

noun
More example sentences
  • Sealed-combustion water heaters draw all their combustion air from the outdoors, which eliminates any chance of backdrafting.
  • Be sure that the installer checks for backdrafting on all vented appliances.
  • If these rooms are significantly depressurized, there is a danger of backdrafting.

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