PIAD
| Acronym | Definition |
|---|---|
| PIAD | Pembina Institute for Appropriate Development (Canada) |
| PIAD | Plasma-Ion Assisted Deposition |
| PIAD | Psychic Interactive Advice (website) |
| PIAD | Purgeable Instrument Access Door (Sealed Door for Instruments and Panel Mounted Displays) |
| PIAD | Prevention of Infant Abandonment and Deinstitutionalization (Georgia) |
| PIAD | Photoelectron Intensity Angular Distribution |