fire door


noun

  1. a door through which a boiler or furnace is fired or through which the fire is inspected.
  2. a fireproof or fire-resistant door in a building, intended to isolate an area from fire.

noun

  1. a door made of noncombustible material, the purpose of which is to prevent a fire from spreading within a building
  2. a similar door, leading to the outside of a building, that can be easily opened from inside; emergency exit

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