| Acronym | Meaning |
| ATB | Active Time Battle -British Antarctic Territory (ISO 3166 Trigram; Merged With AQ In 1979) |
| VDMOS | Vertical Double-diffused MOS Transistor (vee-dee-moss) |
| GEBCO | General Bathymetric Chart Of The Oceans |
| FOB | Forward Operating Base |
| KUW | Kuwait (UNDP Country Code) |
| YN | Yottanewton |
| ACLU | American Civil Liberties Union |
| OSS | Ossetic Language (ISO 639-2 Code) |
| IMU | International Mathematical Union |
| GAB | Gabon (ISO 3166 Trigram) |