| Acronym | Meaning |
| MOD | Magneto-optical Disc - Masters Of Deception - Minimum Object Distance - Multiple Organ Dysfunction |
| JTN | Johnston Atoll (ISO 3166 Trigram; Obsolete 1986) |
| TSR | Many |
| UM | U.S. Minor Outlying Islands (postal Symbol; ISO 3166 Digram) |
| MK | Macedonian Language (ISO 639-1 Code) |
| TBBPA | TetraBromoBisPhenol-A |
| BU | Bulgaria (FIPS 10-4 Country Code) - Burma (ISO 3166 Digram; Obsolete Since 1989) |
| CTMS | Clinical Trial Management System |
| HIV | Human Immunodeficiency Virus |
| SOC | Sector Operations Centre |