| Acronym | Meaning |
| SIGCAT | Special Interest Group For CD-ROM Applications And Technology |
| USPTO | United States Patent And Trademark Office |
| MITS | See Entry |
| Q4 | Fourth Quarter |
| VFMO | Very Fast Moving Object (astronomy) |
| FJ | Fiji (ISO 3166 Digram; FIPS 10-4 Country Code) |
| DCI | Detection |
| FJ | Femtojoule |
| USPS | United States Postal Service |
| RON | Romanian Language (ISO 639-2 Code) |