What does X stand for?

The list of X abbreviation meanings.

Stands For|54Abbreviated As|0Related|0
57
X-Code
54
X Windows
53
Power
44
Extra
41
Extreme Programming
38
Extended
38
Transfer
35
Exposure
34
United States Steel Corp.
34
X-terminal
33
Expanded
31
Experiment
31
Explosive
30
X-axis
26
Exports
21
Multiplied by
18
Extremity
11
Xanthine
10
Xerography
10
Xerographic
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APASmart Define. (2018). x. Retrieved September 20, 2026, from http://smartdefine.org/x/abbreviations/f
ChicagoSmart Define. 2018. "x" http://smartdefine.org/x/abbreviations/f (accessed September 20, 2026).
HarvardSmart Define 2018, x, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/x/abbreviations/f>.
MLASmart Define. "x" 15 February 2018. Web. 20 September 2026. <http://smartdefine.org/x/abbreviations/f>