| Acronym | Meaning |
| PIREPS | Pilot Reports |
| FSH | Follicle Stimulating Hormone |
| TN | Tswana Language (ISO 639-1 Code) |
| TTO | Trinidad And Tobago (ISO 3166 Trigram) |
| QNH | Regional Mean Sea Level Atmospheric Pressure (aeronautical Q Code) |
| WMI | Wildlife Management Institute |
| IA | Interlingua Language (ISO 639-1 Code) |
| PEET | Partnerships For Enhancing Expertise In Taxonomy |
| C2D OR C?D | Intel Core 2 Duo - CERDEC Command And Control Directorate |
| YSI | Young Scots For Independence |