| Acronym | Meaning |
| FZDZ | Freezing Drizzle (METAR Code) |
| EI | Exbi |
| FSH | Follicle Stimulating Hormone |
| PES | PolyEtherSulfone |
| FAT | Field Artillery Tractor - File Allocation Table |
| MPAA | Motion Picture Association Of America |
| EN | English Language (ISO 639-1 Code) |
| TANJ | There Ain't No Justice (used As Expletive In The Ringworld Novels) |
| WFD | Weaponof Focused Destruction |
| SOR | State Of Readiness - Statement Of Requirements |