| OCD | obsessive compulsive disorder; Office of Child Development; Office of Civil Defense; osteochondritis... |
|---|---|
| OCPD | obsessive compulsive personality disorder |
| ODD | oculodentodigital [dysplasia]; oppositional defiant disorder |
| OMD | ocular muscle dystrophy; oculomandibulodyscephaly; organic mental disorder; oromandibular dystonia |
| PD | Doctor of Pharmacy; Dublin Pharmacopoeia; interpupillary distance; Paget disease; pancreatic duct; p... |