| Acronym | Definition |
|---|
| PBOS➣Planning Board for Ocean Shipping |
| PBOS➣Philosophy Born of Struggle (community, conference and textbook) |
| PBOS➣Paper Ballot Optically Scanned |
| PBOS➣Precinct-Based Optical Scanner (voting) |
| PBOS➣Processed Book Open Source |
| PBOS➣Percentage of Bits Out of Synchronization |