| HEIR | health effects of ionizing radiation; high-energy ionizing radiation |
|---|---|
| HEIS | high-energy ion scattering |
| HEV | health and environment; hemagglutinating encephalomyelitis virus; hepatitis E virus; hepato-encephal... |
| hf | half; high frequency |
| HFC | hard filled capsule; high-frequency current; histamine-forming capacity |