What does X Stand For? 152 meanings of X by Acronymsandslang.com

What does X Stand For in Government & Military ?

For X we have found 152 definitions.
What does X mean? We know 152 definitions for X abbreviation or acronym in 7 categories. Possible X meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Please look for them carefully.

X Stands For:

Rank	Abbreviation	Meaning
*****	X	X Window System Telecom Linux
*****	X	Brigade
****	X	École Polytechnique
****	X	Exercise
***	X	Transfer
**	X	Special Equipment
**	X	Experimental
**	X	Telephone Extension
*	X	8-12 GHz frequency band
*	X	Extraordinary
*	X	Special Distribution
*	X	X-ray Police Code
*	X	Initial Position Error