| Abbreviation | Definition |
|---|---|
| OH | Occupational Health |
| OH | Oral Hygiene |
| OHS | occipital horn syndrome |
| OHS | Occupational Health Service |
| OHS | oral health section |
| OHS | oral hydration solution |
| OHS | ovarian hyperstimulation syndrome |
| OHS | Oxford Hip Score |
| OJEU | Official Journal of the European Union |
| OKS | optokinetic simulation |
| OKS | Oxford Knee Score |
| OLC | On-Line Clinicians |
| OLM | ocular larva migrans |
| OLM | Oracle Learning Management |
| OLM | outer limiting membrane |
| OME | Office Manpower Economics (London) |
| OME | Office of Medical Examiner |
| OME | otitis media with effusions |
| OME | This term got 42 hits on 22.10.2011 and is thus assumed to have been retired from active use |
| OMFS | Oral and Maxillo Facial Surgery |