| Acronym | Meaning |
| SREL | Savannah River Ecology Laboratory |
| QSO | Quasi-Stellar Object |
| SDG | Sudanese Pound (ISO 4217 Currency Code) |
| YMCA | Young Men's Christian Association |
| EN | Corps Of Engineers -Estonia (FIPS 10-4 Country Code) - Exanewton |
| MZN | Mozambique Metical (ISO 4217 Currency Code) |
| LUX | Luxembourg (ISO 3166 Trigram) |
| GLP | Guadeloupe (ISO 3166 Trigram) |
| DSID | Dismounted Soldier Identification System |
| CD1 | Cluster Of Differentiation 1 (a Small Gene Family) |