| Acronym | Definition |
|---|
| NWSM➣Nocardia Water Soluble Mitogen |
| NWSM➣Nederlandsch Westfaalsche Stoomtram Maatschappij (Dutch: Dutch Westphalian Tramway Company) |
| NWSM➣Nuclear Weapons Stockpile Memorandum |
| NWSM➣National Weather Service Modernization (US NOAA) |
| NWSM➣Nocardia Opaca Water Soluble Molecules |