| N/2 | half-normal [solution] |
|---|---|
| N/10 | tenth-normal [solution] |
| N/50 | fiftieth-normal [solution] |
| NKHS | nonketotic hyperosmolar syndrome; normal Krebs-Henseleit solution |
| NS | natural science; Neosporin; nephrosclerosis; nephrotic syndrome; nervous system; neurological surger... |