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fire wall
noun
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.
Also, fire·wall.
Origin:
1750–60, Americanism
1750–60, Americanism
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
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Link To firewall
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Firewall
is always a great word to know.
So is callithumpian. Does it mean:
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| a gadget; dingus; thingumbob. |
Example Sentences
- The bandwidth is always greener on the other side of the firewall.
- Click the lock at the bottom of window so that you can make changes and then enable the firewall.
- It's cheaper than a firewall and doesn't require a monthly subscription.
Collins
World English Dictionary
| firewall | |
| —n | |
| 1. | a fireproof wall or partition used to impede the progress of a fire, as from one room or compartment to another |
| 2. | computing a computer system that isolates another computer from the internet in order to prevent unauthorized access |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
firewall  (fîr'wôl') Pronunciation Key
A software program designed to protect a network by preventing unauthorized users from gaining access or by monitoring transfers of information to and from the network. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
American Heritage
Cultural Dictionary
firewall definition
A means of separating a computer network from outside networks for security purposes. A server outside an organization's own network may be used to funnel all incoming and outgoing traffic to assist in keeping out viruses, as well as to prevent unauthorized outsiders from gaining access to a network.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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