| Acronym | Meaning |
| UMCP | Unit Maintenance Collection Point |
| DEC | Department Of Environmental Conservation - Digital Equipment Corporation - Disasters Emergency Committee |
| ODAS | OCA-DLR Asteroid Survey |
| ER | Emergency Room -Eritrea (ISO 3166 Digram; FIPS 10-4 Country Code) |
| GUF | French Guiana (ISO 3166 Trigram) |
| GE | General Electric - Genetic Engineering (cf. GM) -Georgia (ISO 3166 Digram) |
| OTC | Over-The-Counter (drugs) |
| DE | Delaware (postal Symbol) - Germany (ISO 3166 Digram) |
| BGR | Bulgaria (ISO 3166 Trigram) |
| DZA | Algeria (ISO 3166 Trigram) |