fire wall

fire wall
noun
1. : a wall to prevent the spread of fire usually made of noncombustible materials; especially : a wall completely separating two parts of a building from the basement to three feet above the roof and consisting of fire-resistive material and having all openings protected by automatically closing fire doors
2. : a wall to retain oil in case of its escape from a tank or to prevent the spread of burning oil

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1. a partition made of fireproof material to prevent the spread of a fire from one part of a building or ship to another or to isolate an engine compartment, as on a plane, automobile, etc.
2. an integrated collection of security measures designed to prevent unauthorized electronic access to a networked computer system.
Also, firewall.
[1750-60, Amer.]

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fire wall or firewall,
1. a wall of fire-resistant material in or around a building or other structure.
2. a plate of fireproof material behind the engine of an aircraft or automobile to confine a possible fire.
3. protective software or hardware within a computer or network that blocks unauthorized users or keeps data sequestered.
4. Figurative. a bar to commingling or intercommunication; a perceived or agreed upon separation between things that might naturally be connected; Chinese wall: »

When Miller picked up a camera herself, under the tutelage of Man Ray, she followed his lead and never set up firewalls between art and commerce. (Wall Street Journal)

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noun, pl ⋯ walls [count]
1 : a very thick wall that keeps fire from spreading
2 usually firewall : a computer program or piece of equipment that keeps people from using or connecting to a computer or a computer network without permission

Useful english dictionary. 2012.

Игры ⚽ Нужно решить контрольную?

Look at other dictionaries:

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