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.
Origin of XML
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extensible markup language: a computer language used in text formatting
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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.
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