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4 definitions found
 for internet
From The Collaborative International Dictionary of English v.0.48 :

  internet \in"ter*net\ ([i^]n"t[~e]r*n[e^]t), n.
     A large network[3] of numerous computers connected through a
     number of major nodes of high-speed computers having
     high-speed communications channels between the major nodes,
     and numerous minor nodes allowing electronic communication
     among millions of computers around the world; -- usually
     referred to as the internet. It is the basis for the
     World-Wide Web.

From WordNet (r) 3.0 (2006) :

      n 1: a computer network consisting of a worldwide network of
           computer networks that use the TCP/IP network protocols to
           facilitate data transmission and exchange [syn: internet,
           net, cyberspace]

From The Jargon File (version 4.4.7, 29 Dec 2003) :

      The mother of all networks. First incarnated beginning in 1969 as the
      ARPANET, a U.S. Department of Defense research testbed. Though it has been
      widely believed that the goal was to develop a network architecture for
      military command-and-control that could survive disruptions up to and
      including nuclear war, this is a myth; in fact, ARPANET was conceived from
      the start as a way to get most economical use out of then-scarce
      large-computer resources. Robert Herzfeld, who was director of ARPA at the
      time, has been at some pains to debunk the ?survive-a-nuclear-war? myth,
      but it seems unkillable.
      As originally imagined, ARPANET's major use would have been to support what
      is now called remote login and more sophisticated forms of distributed
      computing, but the infant technology of electronic mail quickly grew to
      dominate actual usage. Universities, research labs and defense contractors
      early discovered the Internet's potential as a medium of communication
      between humans and linked up in steadily increasing numbers, connecting
      together a quirky mix of academics, techies, hippies, SF fans, hackers, and
      anarchists. The roots of this lexicon lie in those early years.
      Over the next quarter-century the Internet evolved in many ways. The
      typical machine/OS combination moved from DEC PDP-10s and PDP-20s,
      running TOPS-10 and TOPS-20, to PDP-11s and VAXen and Suns running {
      Unix, and in the 1990s to Unix on Intel microcomputers. The Internet's
      protocols grew more capable, most notably in the move from NCP/IP to TCP/
      IP in 1982 and the implementation of Domain Name Service in 1983. It was
      around this time that people began referring to the collection of
      interconnected networks with ARPANET at its core as ?the Internet?.
      The ARPANET had a fairly strict set of participation guidelines --
      connected institutions had to be involved with a DOD-related research
      project. By the mid-80s, many of the organizations clamoring to join didn't
      fit this profile. In 1986, the National Science Foundation built NSFnet to
      open up access to its five regional supercomputing centers; NSFnet became
      the backbone of the Internet, replacing the original ARPANET pipes (which
      were formally shut down in 1990). Between 1990 and late 1994 the pieces of
      NSFnet were sold to major telecommunications companies until the Internet
      backbone had gone completely commercial.
      That year, 1994, was also the year the mainstream culture discovered the
      Internet. Once again, the killer app was not the anticipated one ?
      rather, what caught the public imagination was the hypertext and multimedia
      features of the World Wide Web. Subsequently the Internet has seen off its
      only serious challenger (the OSI protocol stack favored by European
      telecoms monopolies) and is in the process of absorbing into itself many of
      the proprietary networks built during the second wave of wide-area
      networking after 1980. By 1996 it had become a commonplace even in
      mainstream media to predict that a globally-extended Internet would become
      the key unifying communications technology of the next century. See also {
      the network.

From The Free On-line Dictionary of Computing (30 December 2018) :

     1. With a lower-case "i", any set of networks interconnected
     with routers.
     2. With an upper-case "I", the world's collection of
     interconnected networks.  The Internet is a three-level
     hierarchy composed of backbone networks, mid-level networks,
     and stub networks.  These include commercial (.com or .co),
     university (.ac or .edu) and other research networks (.org, .net)
     and military (.mil) networks and span many different physical
     networks around the world with various protocols, chiefly the
     Internet Protocol.
     Until the advent of the web in 1990, the Internet was almost
     entirely unknown outside universities and corporate research
     departments and was accessed mostly via command line interfaces
     such as telnet and FTP.  Since then it has grown to become a
     ubiquitous aspect of modern information systems, becoming highly
     commercial and a widely accepted medium for all sort of customer
     relations such as advertising, brand building and online sales
     and services.  Its original spirit of cooperation and freedom
     have, to a great extent, survived this explosive transformation
     with the result that the vast majority of information available on
     the Internet is free of charge.
     While the web (primarily in the form of HTML and HTTP) is the
     best known aspect of the Internet, there are many other
     protocols in use, supporting applications such as electronic
     mail, chat, remote login and file transfer.
     There were 20,242 unique commercial domains registered with
     InterNIC in September 1994, 10% more than in August 1994.
     In 1996 there were over 100 Internet access providers in the
     US and a few in the UK (e.g. the BBC Networking Club,
     Demon, PIPEX).
     There are several bodies associated with the running of the
     Internet, including the Internet Architecture Board, the
     Internet Assigned Numbers Authority, the Internet
     Engineering and Planning Group, Internet Engineering
     Steering Group, and the Internet Society.
     See also NYsernet, EUNet.
     http://openmarket.com/intindex)">The Internet Index (http://openmarket.com/intindex) -
     statistics about the Internet.

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