| Abbreviation | Definition |
|---|---|
| THP | Turbo High Pressure |
| THQ | Tungsten Halogen Quartz |
| TI | Tire Iron |
| TIFI | Targeted In-Furnace Injection" |
| TIFI | Targeted In-Furnace Injection™ |
| TIM | Thermal Interface Material |
| TIM | Traction Induction Machine |
| TIM | Tuned Intake Manifold |
| TIMS | Tag Information Management System |
| TIMS | Thermal Infrared Multispectral Scanner |
| TIP | Technical Instrument Panel |
| TIP | Texas Instruments Plastic |
| TIP | To Improve Promptness |
| TIPS | Technical Information on Parts & Service |
| TIT | Tea In Time |
| TITW | Tula In The Wild |
| TJ | Trail Jeep |
| TJA | Thermo Jarrell Ash furnace tube |
| TJI | Truss Joist I-beam |
| TKM | Tubular Key Machine |