| Acronym | Meaning |
| RN | Radon -Registered Nurse (USA) |
| YT | Yoctotesla |
| TAAR | Trace Amine-Associated Receptor |
| EIRP | Effective Isotropic Radiated Power |
| UID | User ID |
| EEG | ElectroEncephaloGram |
| NSN | National Stock Number |
| AWOL | Absent Without Official Leave / Absent WithOut Leave (military Jargon) |
| E&E | Escape And Evasion (training) |
| GREP | [search] Globally For Regular Expression |