| Acronym | Meaning |
| RCRA | Resource Conservation And Recovery Act (reck-ra Or Rick-ra) |
| DD | Many |
| FAD | Flavin Adenine Dinucleotide |
| NB | Niobium |
| APC | Armoured Personnel Carrier - Armour Piercing Capped (ammunition) |
| PHL | Philippines (ISO 3166 Trigram) |
| IC | Ice Crystals (METAR Code) - Iceland (FIPS 10-4 Country Code) -Integrated Circuit |
| ASAP | As Soon As Possible |
| VN | Vietnam (ISO 3166 Digram) |
| QAP | Quadripartite Advisory Publication (kwapp) |