| Acronym | Meaning |
| MHZ | Megahertz |
| SP | Special - Spring Tide (nautical Charts) |
| GBP | United Kingdom Pound Sterling (ISO 4217 Currency Code) |
| SF&F | Science Fiction & Fantasy |
| PDA | Personal Digital Assistant - Predicted Drift Angle - Public Display Of Affection - Push-Down Automaton |
| ASIC | Aviation Security Identification Card |
| XC | Ninety (in Roman Numerals) |
| FU | Smoke (METAR Code) |
| TEL | Telugu Language (ISO 639-2 Code) |
| GOMER | Get Out Of My Emergency Room (derogatory Reference To Hypochondriac Patients) |