| Acronym | Meaning |
| MHWS | Mean High Water Springs (nautical Charts) |
| UP | Ukraine (FIPS 10-4 Country Code) -Uttar Pradesh |
| ABIN | Ag?ncia Brasileira De Intelig?ncia (Brazilian Intelligence Agency) |
| ETI | Extra-Terrestrial Intelligence |
| C/S/A | CINC |
| PARWIG | Power Augmented Ram Wing In Ground (aeroplane Wing Shape) |
| B2C | Business-to-consumer Electronic Commerce |
| CTC | Closed Timelike Curve (relativity) - (U.S.) Combat Training Center |
| IBA | Important Bird Area |
| ESD | ElectroStatic Discharge |