eXtensible Markup Language: a simplified version of SGML that can be used, especially on the World Wide Web, to create a tagging scheme that allows elements of a document to be marked according to their content rather than their format.
(ěks'ěm-ěl') Short for extensible markup language. A version of SGML that allows one to design a customized markup language, used to allow for the easy interchange of documents and data on the World Wide Web or between software components.
language, text (XML) An initiative from the W3C defining an "extremely simple" dialect of SGML suitable for use on the World-Wide Web. (http://w3.org/XML/). [Relationship to the XSL forthcoming subset of DSSSL?] (1997-11-20)