| $X | Short form of cryptocurrency.
| Others |
| X | 10
| Others |
| X | 6-12 Ghz Frequency Band
| Others |
| X | Adults only, no one under 17 admitted
| Others |
| X | Alysis SuperDisk Self-extracting archive
| Others |
| X | AVS X image file 24-bit Bitmap graphics
| Others |
| X | By
| Others |
| X | Crystal (Xtal) (circuit diagram marking)
| Others |
| X | Ex (former)
| Others |
| X | Ex- (former)
| Others |
| X | form X (normally open) bar contactor
| Others |
| x | Got beat up
| Others |
| X | Horizontal axis
| Others |
| X | Horizontal axis (plotter X-axis)
| Others |
| X | Multiplied By
| Others |
| X | Position Error
| Others |
| X | Reactance
| Others |
| X | Shipped With/In a Relationship With
| Others |
| X | ten
| Others |
| X | Times
| Others |
| X | Trans-
| Others |
| X | Unable To Proceed
| Others |
| X | X-axis (horizontal axis)
| Others |
| X | X-file Animation ( Direct3D) ( DeepV2)
| Others |
| X | X-windows
| Others |
| X | X1 Archive
| Others |
| X | Xamarin
| Others |
| X | Xavier
| Others |
| X | Xbox
| Others |
| X | Xena
| Others |
| X | Xenax
| Others |
| X | Xerxes
| Others |
| X | Xplain
| Others |
| X | Xtra
| Others |
| X' | X-axis Rate of Change
| Others |
| X'' | X-axis Rate of Acceleration
| Others |
| x-( | Mad
| Others |