| Acronym | Meaning |
| LAT | Lowest Astronomical Tide (nautical Charts) |
| GESTAPO | GEheime STAatsPOlizei (German Secret State Police) |
| DMPFC | DorsoMedial PreFrontal Cortex |
| ONI | (U.S.) Office Of Naval Intelligence |
| NN | Nanonewton |
| OECD | Organization For Economic Co-operation And Development (international) |
| ISTC | U.K. Institute Of Scientific And Technical Communications |
| KKK | Ku Klux Klan |
| AAI | Applied Artificial Intelligence |
| CF. | Confer (Latin Compare |