| MOTSA | multiple overlapping thin slab acquisition [technique] |
|---|---|
| NGT | nasogastric tube; nominal group technique; normal glucose tolerance |
| NOBT | nonoperative biopsy technique |
| OMT | object modeling technique; ocular microtremor; O-methyltransferase; ophthalmic medical technician or... |
| ORT | object relations technique; operating room technician; oral rehydration therapy |