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WordNet 3.0Copyright Princeton University
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n. - (colloquial) the application of maximum thrust; A wall designed to prevent the spread of flames through a building or a vehicle;

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Usage examples (29)
  • He moved the throttle to the firewall
  • We probably need more than that, but a firewall is at least a first step.
  • Fortunately, I know their concept-firewall is not iron-clad.
  • In the Internet age, the corporate firewall is a leaky sieve.
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.