| Acronym | Definition |
|---|
| TSX➣Toronto Stock Exchange (TSE before April, 2002) |
| TSX➣Transfer from Stack Pointer to Index |
| TSX➣True Space Extension |
| TSX➣Twin Screw Extruder (chemical machinery) |
| TSX➣Transmeta Security Extensions |
| TSX➣Technical Solutions Exchange |
| TSX➣Time Sharing Executive (IBM) |
| TSX➣The Troubleshooting Expert (diagnostic tool) |