| Acronym | Meaning |
| TOT | Time On Target |
| COPUS | U.K. Committee On The Public Understanding Of Science |
| CMA | U.S. Chemical Materials Agency |
| SUD | Subject Under Discussion |
| LOMEZ | Low Altitude Missile Engagement Zone |
| COPE | U.K. Committee On Publication Ethics |
| AAAI | American Association For Artificial Intelligence |
| ANC | African National Congress |
| DMI | Desktop Management Interface (computing) |
| LY | Libya (FIPS 10-4 Country Code; ISO 3166 Digram) - Lithuania (amateur Radio ITU Prefix) |