| Acronym | Meaning |
| IEC | International Electrotechnical Commission |
| PB | PolyButylene |
| BAR | British American Racing - Browning Automatic Rifle - Buy-American Restrictions |
| XCD | East Caribbean Dollar (ISO 4217 Currency Code) |
| AP | Advanced Placement - Air Publication -Armed Forces Pacific (postal Symbol) -Associated Press - Auto Pilot |
| CLRP | College Loan Repayment Program |
| LRP | Logistics Release Point |
| MER | Mars Exploration Rover |
| GFCI | Ground Fault Circuit Interruptor (aka GFI) |
| MPSOC | MultiProcessor System-on-Chip |