| Abbreviation | Definition |
|---|---|
| NLT | Non-Linear Term |
| NM | Nearest Mean |
| NM | Negative Medium |
| NM | New Mapset |
| NM | No Meaning |
| NM | Nonlinear Model |
| NM | Non-Markovian |
| NM | Non-Monotonic |
| NM | Not Measurable |
| NM | Number Machine |
| NM | Number Metric |
| NMA | Normal Mode Analysis |
| NMAP | National Mathematics Advisory Panel |
| NMI | Normalized Mutual Information |
| NMNC | New Mathematics and Natural Computation |
| NMP | No Match Probability |
| NMSC | National Mathematics Science Competition |
| NMSC | National Mathematics Science Competitions |
| NMSI | National Math and Science Initiative |
| NMT | Not More Than .... |