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4 definitions found
 for URL
From WordNet (r) 3.0 (2006) :

  URL
      n 1: the address of a web page on the world wide web [syn:
           URL, uniform resource locator, universal resource
           locator]

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (September 2014) :

  URL
         Uniform Resource Locator (WWW, RFC 1738)
         

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

  URL
   /U?R?L/, /erl/, n.
  
      Uniform Resource Locator, an address widget that identifies a document or
      resource on the World Wide Web. This entry is here primarily to record the
      fact that the term is commonly pronounced both /erl/, and /U-R-L/ (the
      latter predominates in more formal contexts).
  

From The Free On-line Dictionary of Computing (18 March 2015) :

  Uniform Resource Locator
  Uniform Resource Locater
  Universal Resource Locator
  URL
  web address
  
      (URL, previously "Universal") A standard
     way of specifying the location of an object, typically a web
     page, on the Internet.  Other types of object are described
     below.  URLs are the form of address used on the World-Wide
     Web.  They are used in HTML documents to specify the target
     of a hypertext link which is often another HTML document
     (possibly stored on another computer).
  
     Here are some example URLs:
  
      http://w3.org/default.html
      http://acme.co.uk:8080/images/map.gif
      http://foldoc.org/?Uniform+Resource+Locator
      http://w3.org/default.html#Introduction
      ftp://wuarchive.wustl.edu/mirrors/msdos/graphics/gifkit.zip
      ftp://spy:secret@ftp.acme.com/pub/topsecret/weapon.tgz
      mailto:fred@doc.ic.ac.uk
      news:alt.hypertext
      telnet://dra.com
  
     The part before the first colon specifies the access scheme or
     protocol.  Commonly implemented schemes include: ftp,
     http (web), gopher or WAIS.  The "file"
     scheme should only be used to refer to a file on the same
     host.  Other less commonly used schemes include news,
     telnet+or+mailto+({e-mail">telnet or mailto ({e-mail).
  
     The part after the colon is interpreted according to the
     access scheme.  In general, two slashes after the colon
     introduce a hostname (host:port is also valid, or for FTP
     user:passwd@host or user@host).  The port number is usually
     omitted and defaults to the standard port for the scheme,
     e.g. port 80 for HTTP.
  
     For an HTTP or FTP URL the next part is a pathname which is
     usually related to the pathname of a file on the server.  The
     file can contain any type of data but only certain types are
     interpreted directly by most browsers.  These include HTML
     and images in gif or jpeg format.  The file's type is
     given by a MIME type in the HTTP headers returned by the
     server, e.g. "text/html", "image/gif", and is usually also
     indicated by its filename extension.  A file whose type is
     not recognised directly by the browser may be passed to an
     external "viewer" application, e.g. a sound player.
  
     The last (optional) part of the URL may be a query string
     preceded by "?" or a "fragment identifier" preceded by "#".
     The later indicates a particular position within the specified
     document.
  
     Only alphanumerics, reserved characters (:/?#"<>%+) used for
     their reserved purposes and "$", "-", "_", ".", "&", "+" are
     safe and may be transmitted unencoded.  Other characters are
     encoded as a "%" followed by two hexadecimal digits.  Space
     may also be encoded as "+".  Standard SGML "&;"
     character entity encodings (e.g. "é") are also accepted
     when URLs are embedded in HTML.  The terminating semicolon may
     be omitted if & is followed by a non-letter character.
  
     The authoritative W3C URL specification
     http://w3.org/hypertext/WWW/Addressing/Addressing.html)">(http://w3.org/hypertext/WWW/Addressing/Addressing.html).
  
     (2000-02-17)
  

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