Source : WordNet®

HTML
     n : a set of tags and rules (conforming to SGML) for using them
         in developing hypertext documents [syn: {hypertext markup
         language}, {hypertext mark-up language}]

Source : Free On-Line Dictionary of Computing

HTML
     
        {Hypertext Markup Language}

HTML+
     
         A proposed successor to {HTML}.  HTML+
        was a superset of HTML designed to extend the capabilities of
        the language to incorporate better support for {multimedia}
        objects in documents.
     
        (1994-10-27)