| AAS | Atomic Absorption Spectrophotometry |
|---|---|
| APS | Advanced Photo System (skr.) |
| APS | Advanced Photo System, formát filmu |
| EPA | European Photochemistry Association |
| EPA | European Pressphoto Agency |
| KALLIAS | cyperský tenista (Photos, *1984) |
| LANP | Laboratory for Nanophotonics (skr.) |
| PAR | Photosynthetically Active Radiation |
| PV | photovolt (zn.) |
| PZT | Photo Zenit Teleskope (skr.) |