| Acronym | Definition |
|---|
| PNEC➣Predicted No Effect Concentration |
| PNEC➣Pulmonary Neuroendocrine Cells |
| PNEC➣Pakistan Navy Engineering College (Karachi, Pakistan) |
| PNEC➣Pacific Northwest Economic Conference (International Relations Students Association) |
| PNEC➣Primary Navy Enlisted Classification |