PDEC
| Acronym | Definition |
|---|---|
| PDEC | Passive Downdraught Evaporative Cooling |
| PDEC | Personal Data Ecosystem Consortium |
| PDEC | Pittsburgh Darfur Emergency Coalition (Pittsburgh, PA) |
| PDEC | Program Development and Evaluation Center (est. 1972; University of Florida; Gainesville, FL) |
| PDEC | Poorly Differentiated Endocrine Carcinoma (tumor) |
| PDEC | Partial Decorrelator |
| PDEC | Professional Diploma in Electronic Commerce |