| CEI | character education inquiry; converting enzyme inhibitor |
|---|---|
| OCR | oculocardiac reflex; oculocerebrorenal [syndrome]; optical character recognition |
| ACD | 1) Absolute Cardiac Dullness; 절대심둔탁음 2) Anemia of Chronic Disease &nbs... |
| AD | 1) Alveolar Duct 2) Autosomal Dominant 3) Auris Dextra; Ri... |
| ACHOO | autosomal dominant compelling helio-ophthalmic outburst [syndrome] |