WordReference Random House Unabridged Dictionary of American English © 2026
XML, 
  1. eXtensible Markup Language: a simplified version of SGML that can be used, esp. 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.
  • 1995–2000

Collins Concise English Dictionary © HarperCollins Publishers::
XML
  1. extensible markup language: a computer language used in text formatting
'XML' also found in these entries (note: many are not synonyms or translations):
WML

Forum discussions with the word(s) "XML" in the title:


Look up "XML" at Merriam-Webster
Look up "XML" at dictionary.com
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