| Acronym | Meaning |
| SRD | Sardinian Language (ISO 639-2 Code) |
| AAN | American Academy Of Nursing |
| ESO | European Southern Observatory |
| D | Deuterium |
| INA | Interlingua Language (ISO 639-2 Code) |
| CAV | Cavalry |
| TFT | Thin-Film Transistor |
| IPB | Intelligence Preparation Of The Battlefield |
| SSV | Soft-Skinned Vehicle (i.e |
| TANSTAAFL | There Ain't No Such Thing As A Free Lunch (coined By Author Robert A. Heinlein In His The Moon Is A Harsh Mistress) |