| Acronym | Meaning |
| BRA | Brazil (ISO 3166 Trigram) |
| USB | Universal Serial Bus |
| FMSF | False Memory Syndrome Foundation |
| TBA | To Be Announced |
| TWIP | Take What Insurance Pays - When A Surgeon Agrees To Accept A Lower Payment Than He Ordinarily Would For A Procedure And Not Charge The Patient The Difference |
| TRAIN | Tourist Railway Association |
| NIIN | National Item Identification Number |
| SFU | Simon Fraser University (Canada) |
| RN | Radon -Registered Nurse (USA) |
| HIMAD | High To Medium Altitude Air Defence (see Also H/MAD) |