| Acronym | Meaning |
| NP | Neap Tide (nautical Charts) -Neptunium |
| DTL | Diode-Transistor Logic (electronics) |
| HEER | High-Explosive Extended Range (ammunition) |
| ORSA | Oxacillin-resistant Staphylococcus Aureus - Operations Research Society Of America |
| UR | Urdu Language (ISO 639-1 Code) |
| MTM | Methods-Time Measurement |
| BADD | Battlefield Awareness And Data Dissemination |
| PKM | Pulemet Kalashnikova Modernizirovanniy (Russian ??? ??????? ??????????? ????????????????? |
| AKDT | Alaska Standard Daylight Saving Time (UTC-8 Hours) |
| ISL | Iceland (ISO 3166 Trigram) |