| Acronym | Meaning |
| MST | Madison Symmetric Torus - Mountain Standard Time (UTC-7 Hours) |
| TDM | Time-Division Multiplexing |
| MSDL | Military Scenario Definition Language |
| AL | Aluminium |
| PRBO | Point Reyes Bird Observatory |
| HI | Hindi Language (ISO 639-1 Code) |
| DTSA | (U.S.) Defense Technology Security Administration |
| CHA | Chamorro Language (ISO 639-2 Code) |
| HER | Herero Language (ISO 639-2 Code) |
| SLPM | Standard Litre Per Minute (air Flow) |