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An extension of an institution's intranet, especially over the World Wide Web, enabling communication between the institution and people it deals with, often by providing limited access to its intranet.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Computer Science) computing an intranet that is modified to allow outsiders access to it, esp one belonging to a business that allows access to customers
[C20: from extra- + net1 (sense 8), modelled on intranet]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈɛk strəˌnɛt)
an intranet that is partially accessible to authorized persons outside of a company or organization.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Penn Valley, CA, June 03, 2016 --(PR.com)-- SP Marketplace (www.spmarketplace.com), the leader in out-of-the-box Office 365 and SharePoint business portals and applications, announced SP Extranet, a next generation portal solution that brings together external groups and organizations to work harmoniously and enhance business relationships.
Tokyo, Dec 17, 2014 - (ACN Newswire) - MarketPrizm, a leading provider of market data and trading infrastructure services, has been awarded "extranet connectivity" status by the Japan Exchange Group (JPX).
Extranet, le nouvel etablissement de wilaya de ramassage de dechets menagers dans les 29 communes de la banlieue d'Alger, a entame, le 1er janvier, la collecte quotidienne de 2.000 tonnes de dechets, a annonce son directeur general, Rachid Mechab.
* Sederma has rolled out its new customer extranet. This customer service portal provides Sederma's customers with the ability to access and download more detailed information and documentation about the entire product range, according to the company.
An extranet promotes efficiency because anyone viewing a document or schedule can be assured of looking at the most recent version.
Under the contract announced on Monday, financial details of which were not available, DotEx will use TNS' fully-managed Secure Trading Extranet.
Dubai Healthcare City (DHCC) has adopted Microsoft's Office Sharepoint Server 2007 (Moss) as a platform to develop and deploy internet and extranet based infrastructure.
SORCE builds prepackaged intranet and extranet software solutions for mid-size companies ranging from 50 employees to 50,000.
A contract to supply a new website, intranet and extranet has been awarded to Mediasurface (UK AIM:MSR), a content management solution provider, by Staffordshire Police, a police force in the UK.
Its internal communications systems highlight the problem: For some time, the Americas had had an extranet serving its US hotels, the majority of which are franchises; in Asia Pacific, where most hotels are managed by IHG staff, it had developed an intranet and an extranet.
Where an intranet improves communication, access to business information, and collaboration within an organisation, an extranet extends the concept by providing customers and suppliers with secure access to relevant business trading information.