| 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 |
| 7,8-dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide | <chemical> 7,8,8a,9a-tetrahydrobenzo(10,11)chryseno (3,4-b)oxirene-7,8-diol. A benzopyrene derivative with carcinogenic and mutagenic activity. Pharmacological action: carcinogens, mutagens. Chemical name: Benzo(10,11)chryseno(3,4-b)oxirene-7,8-diol, 7,8,8a,9a-tetrahydro- (12 Dec 1998) |
|---|---|
| lead oxide | Has been used as an ingredient in external applications such as lead plaster. Synonym: lead oxide (yellow), litharge, massicot. (05 Mar 2000) |