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

Origin of intranet

First recorded in 1990–95; intra- + (Inter)net
Can be confusedInternet intranet Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for intranet

Historical Examples of intranet

  • He spent the time surfing readymade coasters and checking the intranet for engineer availability.


    Cory Doctorow

British Dictionary definitions for intranet



computing an internal network that makes use of internet technology

Word Origin for intranet

C20: from intra- + net 1 (sense 8), modelled on internet
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

intranet in Science



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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.