| Abbreviation | Definition |
|---|---|
| TMU | True Miles Unknown |
| TN | Ton |
| TN | Trillion |
| TOE | Tonne Oil Equivalent |
| TOE | Tonnes Of Oil Equivalent |
| TOE | Tons of Oil Equivalent |
| TOW | Tons Of Weed |
| TOZ | Troy ounce |
| TPA | Tonnage Per Annum |
| TPA | Trees Per Acre |
| TPC | Threads Per CPU (Central Processing Unit) |
| TPD | Tons Per Day |
| TPH | Total Petroleum Hydrocarbons |
| TPH | Trains Per Hour |
| TPH | Transactions Per Hour |
| TPI | Taper Per Inch |
| TPI | Teeth Per Inch |
| TPI | Threads Per Inch |
| TPI | Tons Per Inch |
| TPI | Tracks Per Inch |