| DHEW | Department of Health, Education, and Welfare |
|---|---|
| HEAL | health education assistance loan |
| HEC | hamster embryo cell; Health Education Council; human endothelial cell; hydroxyergocalciferol; hydrox... |
| HEMA | Health Education Media Association; 2-hydroxyethyl methacrylate |
| HET | Health Education Telecommunications; helium equilibration time |