- OCD
- Obsessive Compulsive Disorder (Medical » Physiology)Obsessive Compulsive Disorder (Medical » Hospitals)Obsessive Compulsive Disorder (Medical » Laboratory)* Osteochondritis Dissecans (Medical » Laboratory)* Oil Conservation Division (Computing » General)* Operational Concept Document (Governmental » Military)* Out of Cell Delineation (Computing » Telecom)* Ordre Des Cols Durs (International » French)* Ocean Chemistry Division (Academic & Science » Ocean Science)* Organized Crime Division (Community » Law)* Operational Concept Demonstration (Governmental » Military)* Order of Carmelites Discalced (Community » Religion)
Abbreviations dictionary. 2012.