| Abbreviation | Definition |
|---|---|
| NSM | Natural Science Mathematics |
| NSRP | Neyman-Scott Rectangular Pulses |
| NSS | Not Statistically Significant |
| NSSA | Not So Stubby Area |
| NST | Nested Sequence of Tuples |
| NSV | Normalized Standard Variance |
| NSW | Newman-Shanks-Williams prime number |
| NT | Narrower Terms |
| NT | No Tail |
| NT | Non-axial Translation |
| NT | Number of Trials |
| NTE | Non-Trivial Equivalence |
| NTH | Item N in the list |
| NTL | Number Theory Language |
| NTM | Notice To Members |
| NUBS | Non-Uniform Bi-Linear Scale |
| NUDD | New Use For Dimentional Diagrams |
| NUIG | National University of Ireland, Galway |
| NUM | Number |
| NUMS | Northwest Undergraduate Mathematics Symposium |