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XML

American  

abbreviation

Computers.
  1. 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.


XML British  

abbreviation

  1. 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

XML Scientific  
/ ĕks′ĕm-ĕl /
  1. 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.


Etymology

Origin of XML

1995–2000