| Acronym | Meaning |
 | NAN | Not A Number (computing) |
| NBT | Nitroblue Tetrazolium (assay) |
| YHBT | You Have Been Trolled |
| FZDZ | Freezing Drizzle (METAR Code) |
| BNSF | Burlington Northern Santa Fe |
| SX | Sonic X |
| IS | Icelandic Language (ISO 639-1 Code) |
| UNAMSIL | United Nations Mission In Sierra Leone |
| PPS | Post Postscriptum - Precise/Precision Positioning Service (GPS) - PolyPhenylene Sulfide |
| SCS | Scan Correlated Shift - Soil Conservation Service |
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