| Abbreviation | Definition |
|---|---|
| TCM | Touch Control Microwave |
| TCM | Twisted Cotton Mecate |
| TCS | Temperature Controlled for Safety |
| TCT | Total Coating Thickness Tolerance |
| TD | Thinline Double |
| TD | Transporter Diesel |
| TD | Traslo Device |
| TDC | Top Dead Center |
| TDCRI | Turbo Diesel Common Rail Injection |
| TDD | Telecommunications Device for the Deaf |
| TDI | Turbo Direct Injected |
| TDI | Turbocharged Diesel Injection |
| TDPC | Training Data Products Contract |
| TDS | Technical Data Sheet |
| TDSP | Tubing Disappearing Smart Plug |
| TE | Testosterone |
| TE | Tickford Economy Car (Ford) |
| TEC | Textured Energy Control |
| TEMS | Turbine Engine Monitoring System |
| TENF | Tapered End Notched Flexure |