Dictionary.com
Thesaurus.com

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.