Popularity Country/ Region Term Full Form | Definition | Meaning Main Category Subcategory
Worldwide X-ray named it X-radiation to signify an unknown type of radiation (X represents the “unknown” in math) Academic & Science » Physics
Worldwide x64 64-bit version of the x86 instruction set Computing » General Computing
Worldwide x86 generic name for Intel processors released after the original 8086 processor Computing » General Computing
Worldwide xACT X Audio Compression Toolkit Computing » Software & Applications
Worldwide XAML eXtensible Application Markup Language Computing » Programming & Development
Worldwide XAMPP X (cross plaftorm), Apache, MySQL, PHP, Perl Computing » Programming & Development
India XAT Xavier Aptitude Test Academic & Science » Exams & Tests
Worldwide XBL XML Binding Language Computing » Programming Languages
Worldwide Xbox shortened from DirectX box Computing » Games & Entertainment
Worldwide XBRL eXtensible Business Reporting Language Business » Finance
Worldwide xDSL X (any type of) Digital Subscriber Line Technology » Communication
Worldwide Xerox from the term Xerography means “dry writing” Business » Companies & Corporations
Worldwide XGA Extended Graphics Array Technology » Display & Graphics
Worldwide XHR XMLHttpRequest Computing » Internet
Worldwide XHTML EXtensible HyperText Markup Language Computing » Programming & Development
Worldwide Xiaomi Xiao + Mi Business » Companies & Corporations
India XIMB Xavier Institute of Management, Bhubaneswar Academic & Science » Universities & Institutions
India XIME Xavier Institute of Management and Entrepreneurship Academic & Science » Universities & Institutions
Worldwide XIRR eXtended Internal Rate of Return Business » Business Terms
Worldwide xkcd not an abbreviation, just a word with no phonetic pronunciation Computing » Websites
Worldwide XL eXtra Large Academic & Science » Units
Worldwide XL Excess of Loss Business » Business Terms
Worldwide XLIX Roman numerals for 49 Academic & Science » Mathematics
Worldwide XLP Crosslinked Polyethylene Academic & Science » Chemistry
Worldwide XLP X-Linked Lymphoproliferative Medical » Diseases & Conditions