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firewall

From Wiktionary, the free dictionary
See also:Firewall

English

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Etymology

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Fromfire +‎wall. CompareWest Frisianbrânmuorre,Dutchbrandmuur,GermanBrandmauer,Feuermauer,Swedishbrandvägg,brandmur,Icelandiceldvegg. The verb sense for using maximum power or acceleration comes from the engine's firewall being the limit of forward movement of the throttle controls on many simpler vehicles; thus, to get the maximum engine output, one would push the throttle levers or pedal all the way to the firewall.

Pronunciation

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Noun

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firewall (pluralfirewalls)

  1. (architecture) Afireproofbarrier used toprevent thespread offire between or throughbuildings, structures, electricalsubstation transformers, or within an aircraft or vehicle.
    Coordinate terms:firestop,fire block
  2. (computer security) Thesoftware thatmonitorstraffic in and out of aprivatenetwork or apersonal computer andallows orblocks such traffic depending on itsperceivedthreat.
  3. (physics) A hypothetical phenomenon where an observer falling into ablack hole encounters high-energyquanta at or near theevent horizon.

Derived terms

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Translations

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fireproof barrier
computer software

Verb

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firewall (third-person singular simple presentfirewalls,present participlefirewalling,simple past and past participlefirewalled)

  1. (transitive, computer security) Toprotect with afirewall.
  2. (transitive, computer security) Toblock with afirewall.
  3. (intransitive, motor vehicles or aircraft, slang) To usemaximumenginepower oracceleration.

Further reading

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Czech

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Etymology

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Unadapted borrowing fromEnglishfirewall.

Pronunciation

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Noun

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firewall inan

  1. (computing)firewall

Declension

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Declension offirewall (hard masculine inanimate)
singularplural
nominativefirewallfirewally
genitivefirewallufirewallů
dativefirewallufirewallům
accusativefirewallfirewally
vocativefirewallefirewally
locativefirewallufirewallech
instrumentalfirewallemfirewally

Further reading

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  • firewall”, inInternetová jazyková příručka (in Czech),2008–2025

Portuguese

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Etymology

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Unadapted borrowing fromEnglishfirewall.

Pronunciation

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  • Hyphenation:fi‧re‧wall

Noun

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firewall m orf (pluralfirewalls)

  1. (computer security)firewall(computer software that monitors traffic in a network)

Spanish

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Etymology

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Unadapted borrowing fromEnglishfirewall.

Pronunciation

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  • IPA(key): /faʝeˈɾwol/[fa.ʝeˈɾwol]
  • IPA(key): (everywhere but Argentina and Uruguay)/faʝeˈɾwol/[fa.ʝeˈɾwol]
  • IPA(key): (Buenos Aires and environs)/faʃeˈɾwol/[fa.ʃeˈɾwol]
  • IPA(key): (elsewhere in Argentina and Uruguay)/faʒeˈɾwol/[fa.ʒeˈɾwol]

Noun

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firewall m (pluralfirewalls)

  1. (computing)firewall
    Synonym:cortafuegos

Usage notes

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According toRoyal Spanish Academy (RAE) prescriptions, unadapted foreign words should be written in italics in a text printed in roman type, and vice versa, and in quotation marks in a manuscript text or when italics are not available. In practice, this RAE prescription is not always followed.

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