from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A private computer network that uses Internet protocols and can be accessed by authorized individuals via the Internet.


from Wiktionary, Creative Commons Attribution/Share-Alike License

extra- +‎ net


  • The extranet was a great tool for use to organize the documents for our client and allowed the purchaser easy access to the documents.

    Archive 2007-11-01

  • A keypad, LCD screen and battery are embedded into the back of each card, allowing it to become the platform for secure applications such as extranet access.

    WebWire | Recent Headlines

  • Whether this is in the form of electronic touch points with trading partner systems, or even direct access by external users through some kind of extranet or portal, there can be no doubt that the 'back office' label is no longer appropriate, at least in terms of capability.

    The Register

  • Use separated access where possible, e.g. secured guest access for Wi-Fi, but then extend 'extranet' like services through suitably tight authorisation and secured communication links. Papers

  • "extranet" referred to private network connections based on Internet standards such as IP and HTTP that extended outside an organization, such as between business partners.

    ABC News: ABCNews

  • Is this comparable to a blending of the extranet and intranet?

    How IT's Role Will Change

  • As some readers will know, I spent much of the past ten years working in the ‘extranet’ or ‘construction collaboration technologies’ market, and I maintain a continued interest in that sector (including a blog about it).

    2009 July 27 « pwcom 2.0

  • Presumably this what Harry felt was relevant: the new LiveHire website is essentially an extranet that allows large customers to hire equipment, control asset registers and generally manage their HSS accounts in one online location.

    HSS’s faltering embrace of Web 2.0 « pwcom 2.0

  • The Institution of Civil Engineers, for example, has created MyICE, an extranet for its members, including a members-only network, e-newsletter, membership management, online journal and an Ask Brunel! service.

    Ten things to manage in a recession: 1 – memberships « pwcom 2.0

  • Admittance control would, for some thinkers, break the cloud model by creating an extranet relationship between a subscriber and the cloud storage area, but we'd feel happier if there were greater admittance control by IP address.

    Cloud storage lives up to the hype


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