Extensible Hypertext Markup Language, a hybrid of HTML and XML.
〔计算机〕可扩展的超文本标记语言
Definition of XHTML in US English:
XHTML
abbreviation
Computing
Extensible Hypertext Markup Language, an HTML system for tagging text files to achieve font, color, graphic, and hyperlink effects on World Wide Web pages, incorporating user-defined elements.