| Acronym | Meaning |
| DMOS | Double Diffused MOS Transistor (dee-moss) |
| FYI | For Your Information |
| AAI | Applied Artificial Intelligence |
| PLAF | Product Line Architecture Framework |
| SD | Sheriff's Department - Smoke/Decontamination-South Dakota (postal Symbol) - Sudan (ISO 3166 Digram) |
| SOCOM | (U.S.) Special Operations Command |
| MPSRON | Maritime Propositioning Ship Squadron |
| CU | Old Church Slavonic Language (ISO 639-1 Code) |
| HU | Hungarian Language (ISO 639-1 Code) |
| YIPPIE | Youth International Party + Suffix |