| NMOS | N-type metal oxide semiconductor |
|---|---|
| NO | narcotics officer; nitric or nitrous oxide; none obtained; nonobese; nurse's office |
| NOS | network operating system; nitric oxide synthetase; non-organ-specific; not on staff; not otherwise s... |
| 4NQO | 4-nitroquinoline 1-oxide |
| OX | optic chiasma; oxacillin; oxalate; oxide; orthopedic examination; oxytocin |