| q.d. | quaque die; Once a Day, Every Day; 하루 한번, 매일 |
|---|---|
| 1/d | once a day |
| OD | Doctor of Optometry; obtained absorbance; occipital dysplasia; occupational dermatitis; occupational... |
| OW | once weekly; open wedge; outer wall; oval window |
| OCP | octacalcium phosphate; ocular cicatricial pemphigoid; oral case presentation; oral contraceptive pil... |