| Acronym | Meaning |
| HFE | Human Fertilisation And Embryology (UK Act) |
| TUG | TeX Users Group |
| LZ | Bulgaria (amateur Radio ITU Prefix) -Landing Zone |
| QSL | Qu?bec Sign Language |
| NG | Natural Gas - Next Generation -Niger (FIPS 10-4 Country Code) - Nigeria (ISO 3166 Digram) |
| CH | Chamorro Language (ISO 639-1 Code) |
| ZS | Zettasiemens |
| MEX | Mexico (ISO 3166 Trigram) |
| TDMA | Time Division Multiple Access |
| AMCB | U.S. Army/Marine Corps Board |