| Acronym | Meaning |
| ZJ | Zeptojoule |
| SWA | Swahili Language (ISO 639-2 Code) |
| VLF | Very Low Frequency |
| SJA | Staff Judge Advocate (military Law) |
| AD LOC. | Ad Locum (Latin |
| AVI | Audio Video Icon |
| PTUI | Plain-Text User Interface (pa-too-ey) (cf CLI) |
| NORWICH | (k)Nickers Off Ready When I Come Home (British Army Slang Written On Letters Home) |
| FFR | Fédération Française De Rugby (French Rugby Federation) |
| PSA | Paralysis Society Of America - Pharmaceutical Society Of Australia - Pressure-Sensitive Adhesive - Production Services Association - Prostate Specific Antigen - Public Service Announcement - Public Service Association |