Opk
ovulation predictor kit
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- Opl
[White House] Office of Public Liaison
- OPM
1. Office of Personnel Management. 2. operations per minute. 3. Slang. other people’s money. 1. Office of Personnel Management 2. other people’s money
- Opo
organ procurement organization
- Opol.
Old Polish
- Opole
[aw-paw-luh] /ɔˈpɔ lə/ noun 1. a city in Upper Silesia, SW Poland, on the Oder River.