| Acronym | Definition |
|---|
| HEEC➣Highland Environmental Education Coalition (Highland, CA) |
| HEEC➣Human Esophageal Epithelial Cells |
| HEEC➣Health, Education and Environmental Crusaders (Nigeria) |
| HEEC➣Human Endometrial Endothelial Cell |
| HEEC➣Home Energy Efficiency Credit (Massachusetts) |
| HEEC➣Human Endometrial Epithelial Cell |