| Abbreviation | Definition |
|---|---|
| APOS | At the Point Of Substitution |
| APOS | Atlantic Prosthetic Orthotic Services |
| APOSS | Aberdeen Prospective Osteoporosis Screening Study |
| APOSS | Aboriginal Prisoners and Offenders Support Services |
| APOSS | Alpha Phi Omega Service Sorority |
| APOSS | Andhra Pradesh Open School Society |
| APOSS | Anglican Parish of Sunraysia South |
| APOSS | Army Publications Ordering and Subscription System |
| APOSS | Automatic Point of Sale System |
| APOSSUM | a 'possum |
| APOSSUM | A Possum's |
| APOSTCI | All Pakistan Organisation of Small Traders and Cottage Industry |
| APOSTCI | All Pakistan Organization of Small Traders and Cottage Industries |
| APOSTEL | Aposteln |
| APOSTLE | A Project Of Simulating The Local Environ |
| APOSTROPHIZE | Apostrophized |
| APOSTROPHIZE | apostrophizing |
| APOT | A PIECE of TOAST |
| APOT | A Pot's |
| APOT | Actual Point of Termination |