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We found 53 dictionaries with English definitions that include the word firewall:
Click on the first link on a line below to go directly to a page where "firewall" is defined.

General dictionaries General (19 matching dictionaries)
  1. firewall: Merriam-Webster.com [home, info]
  2. firewall: Oxford Learner's Dictionaries [home, info]
  3. firewall: American Heritage Dictionary of the English Language [home, info]
  4. firewall: Collins English Dictionary [home, info]
  5. firewall: Vocabulary.com [home, info]
  6. firewall: Macmillan Dictionary [home, info]
  7. Firewall, firewall: Wordnik [home, info]
  8. firewall: Cambridge Advanced Learner's Dictionary [home, info]
  9. firewall: Wiktionary [home, info]
  10. firewall: Dictionary.com [home, info]
  11. firewall: UltraLingua English Dictionary [home, info]
  12. Firewall (Henning Mankell novel), Firewall (Mankell novel), Firewall (Person of Interest), Firewall (computer), Firewall (computing), Firewall (construction), Firewall (engine), Firewall (film), Firewall (networking), Firewall (physics), Firewall: Wikipedia, the Free Encyclopedia [home, info]
  13. firewall: Rhymezone [home, info]
  14. firewall: Free Dictionary [home, info]
  15. firewall: Mnemonic Dictionary [home, info]
  16. firewall: LookWAYup Translating Dictionary/Thesaurus [home, info]
  17. firewall: Dictionary/thesaurus [home, info]

Art dictionaries Art (1 matching dictionary)
  1. firewall: ODLIS: Online Dictionary of Library and Information Science [home, info]

Business dictionaries Business (9 matching dictionaries)
  1. Firewall: MoneyGlossary.com [home, info]
  2. firewall: INVESTORWORDS [home, info]
  3. Firewall: E-Commerce and Marketing Dictionary of Terms [home, info]
  4. Firewall: Bloomberg Financial Glossary [home, info]
  5. FIREWALL: C-SPAN Congressional Glossary [home, info]
  6. Firewall: Construction Term Glossary [home, info]
  7. Firewall: Investopedia [home, info]
  8. Firewall (networking), Firewall: Financial dictionary [home, info]
  9. firewall: BusinessDictionary.com [home, info]

Computing dictionaries Computing (18 matching dictionaries)
  1. Firewall: Webster's New World Hacker Dictionary [home, info]
  2. firewall: Free On-line Dictionary of Computing [home, info]
  3. firewall: Netlingo [home, info]
  4. Firewall, firewall: CCI Computer [home, info]
  5. Firewall: The Microsoft Lexicon [home, info]
  6. firewall: CNET Internet Glossary [home, info]
  7. firewall: Computer Telephony & Electronics Dictionary and Glossary [home, info]
  8. firewall: Glossary of Internet Terms [home, info]
  9. Firewall: Tech Terms Computer Dictionary [home, info]
  10. Firewall: Internet Terms [home, info]
  11. Firewall, Firewall: Internet Terms [home, info]
  12. Firewall: Linktionary Networking Glossary [home, info]
  13. Firewall: Karbo's Dictionary [home, info]
  14. firewall: Webopedia [home, info]
  15. firewall: Hacking Lexicon [home, info]
  16. firewall: I T Glossary [home, info]
  17. Firewall: Technopedia [home, info]
  18. Firewall (networking), firewall: Encyclopedia [home, info]

Medicine dictionaries Medicine (1 matching dictionary)
  1. firewall: online medical dictionary [home, info]

Tech dictionaries Tech (5 matching dictionaries)
  1. Firewall: Webster's New World Telecom Dictionary [home, info]
  2. Firewall: AUTOMOTIVE TERMS [home, info]
  3. Firewall: Glossary of Energy Terms [home, info]
  4. FIREWALL: Space and Electronic Warfare Lexicon [home, info]
  5. Firewall: Web Hosting Glossary [home, info]

(Note: See firewalls for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (firewall)

noun:  the application of maximum thrust ("He slammed the throttle to the firewall")
noun:  fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle
noun:  (computing) a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to attack from crackers; commonly used on local area networks that are connected to the internet

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Phrases that include firewall:   great firewall, cisco pix firewall, personal firewall, pix firewall, windows firewall, more...

Words similar to firewall:   firewalling, more...

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