| Acronym | Meaning |
| IN | Indium |
| C4 OR C? | Command |
| DLPMC | DorsoLateral PreMotor Cortex |
| WAAF | Women's Auxiliary Air Force (WWII UK) |
| TATT | Tired All The Time (medical Diagnosis In-joke) |
| AWP | Awaiting Parts (SM&R Code) |
| IA | Interlingua Language (ISO 639-1 Code) |
| GPMP | General Purpose Macro Processor |
| GSR | Gun Shot Revenue |
| CPSM | Continuous Phase Shift Modulation |