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Meaning of fire wall

fire' wall"

Pronunciation: [key]
  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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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