| Rank | Abbreviation | Meaning |
|---|
| ***** | PECS | Patient Evaluation Conference System
| |
| **** | PECS | peritoneal macrophages
| |
| *** | PECS | Packaged Equipment Control System
| |
| * | PECS | Photon Echo and Coherent Spectroscopy
| |
| * | PECS | Precision Encapsulation and Cure System
| |
| * | PECS | Pharmacy Electronic Communications Standard
| |
| * | PECS | porcine endothelial cells
| |
| * | PECS | Poultry Environmental Control System
| |
| * | PECS | Predicted environmental concentrations
| |
| * | PECS | peritoneal exudate cells
| |
| * | PECS | pediatrics evaluation in community setting
| |
| * | PECS | Performance Event Collection Services
| |
| * | PECS | Princeton Energy and Climate Scholars
| |
| * | PECS | peritoneal exudative cells
| |
| * | PECS | Perfect Electric Conducting Structure
| |
| * | PECS | Pigmented epithelial cells
| |
| * | PECS | Polyelectrolyte complexes
| |
| * | PECS | parietal epithelial cells
| |
| * | PECS | probabilistic evaluation of cladding stress
| |