| Acronym | Meaning |
| LPD | Landing Platform Dock (Navy Hull Classification) - Low Probability Of Detection |
| HOT | Highly Optimised Tolerance |
| HOTT OR HOTT | Hordes Of The Things (miniature Fantasy Wargaming Rules; A Play On The Lord Of The Rings) |
| AF | Afrikaans Language (ISO 639-1 Code) |
| MIMOSA | MIcroMeasurements Of Satellite Acceleration |
| IJWP | Interim Joint Warfare Publication |
| CISPR | Comit? International Sp?cial Des Perturbations Radio?lectriques (Special International Committee On Radio Interference) |
| ACHT | Average Call Hold Time |
| FI | Finnish Language (ISO 639-1 Code) |
| PADI | Professional Association Of Diving Instructors |