| narco | narcotic, narcotic addict, drug enforcement agent |
|---|---|
| NMB | neuromedin B; neuromuscular blockade; neuromuscular blocking; neuromuscular blocker/blocking [drug, ... |
| NMBA | neuromuscular blocking agent |
| NSAIA | nonsteroidal anti-inflammatory agent |
| OCA | oculocutaneous albinism; olivopontocerebellar atrophy; oral contraceptive agent |