- oil of hydnocarpus
- oil of hydoncarpus
- oleafinous preparation
- otter
- osteoplastic flap operation
- osteo_articular tuberculosis
- of the name of
- oculovagal reflex
- one who loads and unloads
- ovalocytosis
- ocular nystagmus
- overrule
- one who dons a
- osteoma
- osteophyte
- one who recites old traditional tales
- opthalmic
- old age house
- owner of an estate
- out of employment
- of massive structure
- oval deltoid
- ovenproof
- out take
- oidium albicans
- omni secunda hora
- one who tries to impress through typical devices
- one who has acquired supernatural powers
- om
- of incomparable excellence
- oropharynx
- oviparous
- opinionative
- opinionated
- overwrite
- of the blood
- on the point of
- organic tricuspid regurgitation
- omentectomy
- one of the ceremonies held at the bride's door during the marriage
- one who is authorised to vote
- opiate
- opioid analgesic
- overawe
- oneself
- of one's own accord
- of good fame or reputation
- oligaemic shock
- off putting
- oedematous laryngitis