| Acronym | Meaning |
| TWIP | Take What Insurance Pays - When A Surgeon Agrees To Accept A Lower Payment Than He Ordinarily Would For A Procedure And Not Charge The Patient The Difference |
| LUT | Limited User Test(ing) - Local User Terminal |
| TTYL | Talk To You Later (Internet Slang) |
| TACAMO | Take Charge And Move Out (U.S. Military) |
| BRL | Brazilian Real (ISO 4217 Currency Code) |
| EIA | Environmental Impact Assessment |
| ZC | Zeptocoulomb |
| YG | Yoctogram |
| NLP | Natural Language Processing - Neuro-Linguistic Programming (pseudoscience) |
| AGS | Alaska Ground Station (LandSat) |