| Acronym | Meaning |
| KUL | Katholieke Universiteit Leuven (Flemish |
| WST | Water Soluble Tetrazolium (assay) -Samoan Tala (ISO 4217 Currency Code) |
| YS | Yoctosecond |
| IVF | In Vitro Fertilisation |
| PNP | Partido Nuevo Progresista - Plug 'N' Play/Pray - Positive Negative Positive |
| HCI | Human-Computer Interaction/Interface |
| NTDS | Naval Tactical Data System |
| GNAS | Grand National Archery Society |
| TACSOP | Tactical SOP (Standing Operating Procedure) |
| RJD | Reduced Julian Day |