| Acronym | Definition |
|---|
| PSES➣Post-Secondary Education System (Canada) |
| PSES➣Pretreatment Standards for Existing Sources (US EPA) |
| PSES➣Patient Safety Evaluation System (health care) |
| PSES➣P-Bit Severely Errored Seconds |
| PSES➣Purple Shirted Eye Stabber |
| PSES➣Product Safety Engineering Society (IEEE) |
| PSES➣Porter School of Environmental Studies (Tel Aviv University; Israel) |