| Acronym | Definition |
|---|
| PHAE➣Polyhydroxyaminoether |
| PHAE➣Prairie Horizon Agri-Energy, LLC (Phillipsburg, KS) |
| PHAE➣Prime Herbagère Agro-Environnementale |
| PHAE➣Poly-3-Hydroxyalkanoate-Co-3-Hydroxyalkenoate (polymer) |
| PHAE➣Penetrating High-Altitude Endurance (aircraft) |