| Acronym | Meaning |
| YU | York University -former Yugoslavia (ISO 3166 Digram |
| SAT | Formerly Scholastic Aptitude Test And Scholastic Assessment Test; Now Known Solely By The Initials - Small Arms Trainer |
| RUC | Royal Ulster Constabulary |
| HLL | High-Level Language |
| UUA | Unitarian Universalist Association |
| TEMO | Training |
| SNR | SuperNova Remnant - Signal-to-Noise Ratio |
| BOM | Base Object Model - Bill Of Materials - Block Of The Month Quilting Term |
| JSIMS | Joint Simulation System |
| ASD(C3I) | (U.S.) (Command |