firewall

C1 · Advanced Countable noun Technical

n. a wall made of special materials that stops a fire from moving from one part of a building to another.

n. a fireproof barrier designed to prevent the spread of fire between or through buildings, structures, or vehicles.

Español:muro cortafuego

“The warehouse was saved because the firewall stopped the flames from reaching the office.”

“Building regulations require a reinforced firewall between the garage and the living quarters to ensure resident safety in the event of a vehicle fire.”

C1 · Advanced Countable noun Law Formal

n. a rule or agreement that keeps two groups apart to prevent a conflict of interest or bad influence.

n. a metaphorical barrier or ethical wall established to prevent communication or cooperation between entities, often to avoid conflicts of interest.

“The company created a firewall between the two departments to keep client information private.”

“The mainstream parties maintained a political firewall, refusing to enter into any coalition agreements with the extremist faction.”

C1 · Advanced Computing Technical

v. to protect a system using a firewall or to block a specific connection.

v. to protect a network or device with a firewall; to isolate a segment of a system for security purposes.

“The IT department decided to firewall the sensitive database from the rest of the office network.”

“By firewalling the guest Wi-Fi, the administrator ensured that visitors could not access the company's internal files.”

C2 · Proficiency Slang · Informal

v. to use the maximum power of an engine or to drive as fast as possible.

v. to operate an engine at maximum throttle or to accelerate a vehicle to its limit.

“He decided to firewall the car on the open highway to see how fast it could go.”

“The pilot had to firewall the engines to clear the ridge during the emergency ascent.”