| Acronym | Meaning |
| WAAC | Women's Army Auxiliary Corps (WWII UK) |
| RSRE | UK Royal Signals And Radar Establishment (1976?1991) |
| EMCON | (Electromagnetic) Emissions Control |
| NBT | Nitroblue Tetrazolium (assay) |
| USNP | United States Newspaper Program |
| Q4 | Fourth Quarter |
| NL | Netherlands (ISO 3166 And FIPS 10-4 Country Code Digram) - Newfoundland And Labrador (postal Symbol) |
| GEC | Great Engineering Challenge |
| MHC | Major Histocompatibility Complex |
| AH | Ampere-hour |