fire door

English

Noun

fire door (plural fire doors)

  1. A fireproof door designed to stop fires spreading through buildings.
    • 2022 March 23, Paul Bigland, “We're counting down the days”, in RAIL, number 953, page 39, photo caption:
      There are 10,000 fire doors on the Elizabeth Line, including these two at Liverpool Street that have been tested to tolerate a two-hour blaze at temperatures as high as 3,000°C.
  2. The door of a furnace offering access to the fire inside.

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