| Acronym | Meaning |
| MMO | Massively Multiplayer Online (computer Game) |
| TL | Thallium |
| DSO | Distinguished Service Order (British Military Decoration) |
| TS | Terasiemens - Thunderstorm (METAR Code) - Tunisia (FIPS 10-4 Country Code) -TinySex - Transsexual |
| AAFES | Army And Air Force Exchange Service |
| NETL | (US) National Energy Technology Laboratory |
| CIV | C?te D'Ivoire (ISO 3166 Trigram) |
| MLE | Maximum Likelihood Estimation |
| IBDS | Integrated Biological Detection System - International Business Development Specialist |
| PS | Picosiemens |