| Abbreviation | Definition |
|---|---|
| TFLOPS | Tera Floating Point Operations per Second |
| TGW | Total Gem Weight |
| THK | Thickness |
| THM | Tonnes Of Heavy Metal |
| THMQ | Trans_High Market Quotient |
| THZ | TeraHertz |
| TiB | TebiByte |
| TIBIT | Tebebit |
| TIBIT/S | Tebibits Per Second |
| TIU | Turns In Use |
| TIV | Through Indentor Viewing |
| TJ | TeraJoule |
| TJ | Tonne Joule |
| TKM | Ton KiloMeters |
| TL | True Length |
| TM | Ten Minute |
| Tm | terameter |
| Tm | terametre |
| TMC | Thousand Million Cubic meters |
| TMC | Trillion Meter Cube |