单形牙：指无牙尖或牙嵴的磨牙- oximeter
- oximetry
- oxim,oxime
- oxiperomide
- oxiramide
- oxisuran
- oxmetidine mesylate
- oxo-
- oxo-acid-lyase
- oxogestone phenpropionate
- oxoglutarate dehydrogenase
- oxolinic acid
- oxonium
- oxophenarsine hydrochloride
- oxozone
- oxpentifylline
- oxprenolol hydrochloride
- Oxsoralen
- oxtriphylline
- oxy-
- oxyachrestia
- oxyacid
- oxyacoia
- oxybenzene
- oxybenzone