Term Full Form | Definition | Meaning
X 10 (Roman numeral)
x multiplied by
X United States Steel Corporation
x unknown quantity
X-ray named it X-radiation to signify an unknown type of radiation (X represents the “unknown” in math)
x64 64-bit version of the x86 instruction set
x86 generic name for Intel processors released after the original 8086 processor
xACT X Audio Compression Toolkit
XAML eXtensible Application Markup Language
XAMPP X (cross platform), Apache, MySQL, PHP, Perl
XAT Xavier Aptitude Test
XBL XML Binding Language
Xbox shortened from DirectX box
XBRL eXtensible Business Reporting Language
xDSL X (any type of) Digital Subscriber Line
Xerox from the term Xerography means “dry writing”
XGA Extended Graphics Array
XHR XMLHttpRequest
XHTML EXtensible HyperText Markup Language
Xiaomi Xiao + Mi
XIMB Xavier Institute of Management, Bhubaneswar
XIME Xavier Institute of Management and Entrepreneurship
XIRR eXtended Internal Rate of Return
xkcd not an abbreviation, just a word with no phonetic pronunciation
XL eXtra Large

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