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VERY Common Abbr.
Commonly Encountered Abbreviations O's
Term | Definition |
---|---|
Oe | oxygen |
OA | osteoarthritis |
OB | obstetrics |
OC | oral contraceptive |
od | once a day |
OHS | open heart surgery |
OR | operating room |
Ortho | orthopedics, orthopaedics |
OS | left eye (oculus sinister) |
os | mouth |
OT | occupational therapy (or therapist) |
Oto | otology |
O2, OU | both eyes (oculus unitas) |
OU | each eye (oculus uterque) |
Oz | ounce |