Definition of "XML"

XML

proper noun
1. (computer languages, file format) Initialism of Extensible Markup Language (a flexible text format for creating structured computer documents in machine-readable form.)
  Quotations
  'XmL_3rr0R~/?$-HELP.i.am.trapped.in.the.newsbar!.^'
  , Ndemic Creations, Plague Inc., Android, scene: News item