| Acronym | Definition |
|---|
| POSM➣Point of Sale Materials (merchandising) |
| POSM➣Plasma Osmolality |
| POSM➣Pirates of the Spanish Main (gaming) |
| POSM➣Point of Sale Material |
| POSM➣Petty Officer Stoker Mechanic (Royal Navy Rating) |
| POSM➣Project for Open Source Media |
| POSM➣propylene oxide-styrene monomer |
| POSM➣Planter of Seeds Ministries (Georgetown, TN) |
| POSM➣Patient-Operated Selector Mechanism |
| POSM➣Pipeline Observation System Management (Petaluma, CA) |
| POSM➣Parallel On-Chip Simultaneous Multi-Threaded (processor type) |
| POSM➣Philips Observation and Security Master |
| POSM➣Prevention of Sexual Misconduct |
| POSM➣Preservation Old Style Morgan (horse association) |