| Acronym | Meaning |
| RACK | Risk Aware Consensual Kink (SM Phrase) |
| TUK | Turkmen Language (ISO 639-2 Code) |
| AOU | American Ornithologists' Union |
| AS | Arsenic |
| FITS | Flexible Image Transport System |
| CISSP | Certified Information Systems Security Professional |
| FMCAFAM | Federal Magistrates' Court Of Australia: Family (used For Citing Family Law Decisions Of The FMC) |
| PA | Pascal - Protactinium |
| RSPCA | Royal Society For The Prevention Of Cruelty To Animals |
| BDU | Battle-Dress Uniform |