| Acronym | Meaning |
| AXP | Ambulance EXchange Point |
| GNRH | Gonadotropin-Releasing Hormone |
| HIH | His (or Her) Imperial Highness |
| YSI | Young Scots For Independence |
| NMD | U.S. National Missile Defense |
| KAZ | Kazakhstan (ISO 3166 Trigram) |
| RHU | Replacement Holding Unit |
| FLOT | Forward Line Of Own Troops |
| OIOC | Oriental & India Office Collections (in The British Library) |
| SLAC | Stanford Linear Accelerator Center |