| Acronym | Meaning |
 | AFRRI | (U.S.) Armed Forces Radiobiology Research Institute |
| BB | Barbados (ISO 3166 Digram; FIPS 10-4 Country Code) -Boys' Brigade (Christian Youth Organisation) - Brigitte Bardot (actress) |
| PW | Picowatt |
| YG | Yoctogram |
| LR | ATGW -Long-Range Anti-Tank Guided Weapon |
| XL | EXtra Large -Forty (in Roman Numerals) |
| HLL | High-Level Language |
| SLPH | Standard Litre Per Hour (air Flow) |
| DPDT | Double-Pole Double-Throw |
| BYOB | Bring Your Own Beer/Beverages/Bottle |
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