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Firewall

/ˈfaɪ.əˌwɔːl/

A fireproof barrier used to prevent the spread of fire between or through buildings, structures, electrical substation transformers, or within an aircraft or vehicle.

Full Dictionary Entry

📖 Definitions of "Firewall"

noun

1
A fireproof barrier used to prevent the spread of fire between or through buildings, structures, electrical substation transformers, or within an aircraft or vehicle.
2
The software that monitors traffic in and out of a private network or a personal computer and allows or blocks such traffic depending on its perceived threat.
3
A hypothetical phenomenon where an observer falling into a black hole encounters high-energy quanta at or near the event horizon.

verb

1
To protect with a firewall.
2
To block with a firewall.
3
(motor vehicles or aircraft) To use maximum acceleration.

💡 Words with a Similar Meaning to "Firewall"

Found via reverse dictionary — words that share a conceptual meaning.

Word	Definition
firenoun	(uncountable) A (usually self-sustaining) chemical reaction involving the bonding of oxygen with carbon or other fuel, with the production of heat and the presence of flame or smouldering.
1noun	(sports, skateboarding, snowboarding, skiing) Clipping of 180 (“180° spin”). [(sports) An instance of spinning 180 degrees, so that one is facing in the opposite direction.]
servernoun	(computing) A program that provides services to other programs or devices, either in the same computer or over a computer network.
cybersecuritynoun	Security against electronic attacks such as cyberwarfare or cyberterrorism.
stateful	(computing) That supports different states, reacting to the same input differently depending on the current state.
securitynoun	(uncountable) The condition of not being threatened, especially physically, psychologically, emotionally, or financially.
homed	Having a home, or homes
guardnoun	A person who, or thing that, protects or watches over something.
shieldnoun	Anything that protects or defends; defense; shelter; protection.
filternoun	A device which separates a suspended, dissolved, or particulate matter from a fluid, solution, or other substance; any device that separates one substance from another.
barriernoun	A structure that bars passage.
protectornoun	Someone who protects or guards, by assignment or on their own initiative.
gatekeepernoun	A person or group who controls access to something or somebody.
safeguardverb	Something that serves as a guard or protection; a defense.
buffernoun	(computing) A portion of memory set aside to temporarily store data, often before it is sent to an external device or as it is received from an external device.
wallnoun	A rampart of earth, stones etc. built up for defensive purposes.
defensenoun	The action of defending or protecting from attack, danger, or injury.
blockernoun	Agent noun of block (“obstruct or prevent”); something that blocks something else.
screennoun	A physical divider intended to block an area from view, or provide shelter from something dangerous.
partitionnoun	An action which divides a thing into parts, or separates one thing from another.