| Acronym | Definition |
|---|
| HAEC➣Hirschsprung-Associated Enterocolitis (Hirschsprung's disease complication) |
| HAEC➣Human Artificial Episomal Chromosome |
| HAEC➣Hungarian Atomic Energy Commission (Hungary) |
| HAEC➣Hockerill Anglo European College (Hertfordshire, UK) |
| HAEC➣Heure Avancée d'Europe Centrale (French: Central European Summer Time) |
| HAEC➣Human Arterial Endothelial Cell |
| HAEC➣Human Alveolar Epithelial Cell |