| Acronym | Meaning |
 | HAW | Heavy Antitank Weapon |
| EJ | Exajoule |
| DDL | Digital Data Link |
| YU | York University -former Yugoslavia (ISO 3166 Digram |
| PS | Picosiemens |
| IBA | Important Bird Area |
| NBA | National Basketball Association |
| VFMO | Very Fast Moving Object (astronomy) |
| RM | Raeto-Romansh Language (ISO 639-1 Code) |
| DRIC | (U.S.) Defense Research Information Center |
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