fire door

Definitions

1. A fireproof door designed to stop fires spreading through buildings.
2. The door of a furnace offering access to the fire inside.

Equivalents

Examples

“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.”

CEFR level