| Acronym | Meaning |
| IN TRANS. | In Transitu (Latin |
| OSE | Own Separate Entrance |
| WACC | Weighted Average Cost Of Capital (accounting) |
| SJM | Svalbard And Jan Mayen (ISO 3166 Trigram) |
| HIM | His (or Her) Imperial Majesty |
| BIOS | Basic Input/Output System - British Institute Of Organ Studies |
| FS | Femtosiemens |
| IG | Inspector General |
| FSTC | Foreign Science Technology Center (now NGIC) |
| OVV | Optically Visually Violent |