| Acronym | Meaning |
| WAK | Wake Island (ISO 3166 Trigram |
| PI | Pebi |
| NAAK | Mark I NAAK |
| NAVS | Non-Cooperative Airborne Vector Scoring |
| PPA | Parahippocampal Place Area - PolyPhthalAmide |
| KGZ | Kyrgyzstan (ISO 3166 Trigram) |
| YI | Yiddish Language (ISO 639-1 Code) |
| FCW | Florida Championship Wrestling |
| DECT | Digital European Cordless Telephone |
| MLE | Maximum Likelihood Estimation |