a computer network with restricted access, as within a company, that uses software and protocols developed for the Internet.


Internet, intranet. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
intranet (ˈɪntrəˌnɛt)
computing an internal network that makes use of internet technology
[C20: from intra- + net1 (sense 8), modelled on internet]

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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American Heritage
Science Dictionary
intranet   (ĭn'trə-nět')  Pronunciation Key 
A privately maintained computer network that only authorized persons can access. Many corporations and institutions, for example, communicate with employees or members through the use of a private intranet.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Computing Dictionary

intranet definition

Any network which provides similar services within an organisation to those provided by the Internet outside it but which is not necessarily connected to the Internet. The commonest example is the use by a company of one or more World-Wide Web servers on an internal TCP/IP network for distribution of information within the company.
Since about 1995, intranets have become a major growth area in corporate computing due to the availability of cheap or free commercial browser and web server software which allows them to provide a simple, uniform hypertext interface to many kinds of information and application programs.
Some companies give limited access to their intranets to other companies or the general public. This is known as an "extranet".

The Free On-line Dictionary of Computing, © Denis Howe 2010
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Example sentences
Laptops and ubiquitous access to the campus intranet were essential elements
  from the start.
Corporate security is already all about securing the entries into the private
There are several software packages available that let you set up a wiki on a
  local intranet server.
Or go on your company's intranet site and look for a health portal.
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