| Acronym | Meaning |
| LRAD | Long Range Acoustic Device (ell-rad) |
| MLLW | Mean Lower Low Water (nautical Charts) |
| CAN | Canada (ISO 3166 Trigram) |
| COIN | Counter-Insurgency (military) |
| AWOL | Absent Without Official Leave / Absent WithOut Leave (military Jargon) |
| JPOW | Joint Project Optic Windmill |
| DE | Delaware (postal Symbol) - Germany (ISO 3166 Digram) |
| WIPP | [Nuclear] Waste Isolation Pilot Project |
| CJC | Canadian Jewish Congress |
| IRR | Iranian Rial (ISO 4217 Currency Code) |