| Abbreviation | Definition |
|---|---|
| COIN | circulars on the internet |
| COMA | Committee on Medical Aspects of Food and Nutrition Policy (abolished 2000) |
| COMA | congenital oculomotor apraxia |
| COMARE | Committee on Medical Aspects of Radiation in the Environment |
| COMEAP | Committee On the Medical Effects of Air Pollutants |
| CONI | Care Of the Next Infant |
| COPC | Community Oriented Primary Care |
| COPDEND | Conference of Postgraduate Dental Deans |
| COPE | cyclophosphamide, oncovin, platinol, etoposide |
| COPMeD | Conference of Postgraduate Medical Deans |
| COR | Capital Out-turn & Receipts return |
| COR | centre of rotation |
| COR | cervico-ocular reflex |
| COR | conditioned orientation reflex |
| COR | coronary |
| COR | cortex |
| COR | corticosterone |
| COR | cortisone |
| COR | custodian of records |
| CORE | Centers for Obesity Research and Education |