| Abbreviation | Definition |
|---|---|
| HOMA | homeostatis model assessment |
| HOPE | Health Opportunity for People Everywhere |
| HOPE | Health Osteoporosis Progestin Estrogen |
| HOPE | Heart Outcomes Prevention Evaluation |
| HOR | Human Olfactory Receptor |
| HOS | Human Operating System |
| HOT | Hypertension Optimal Treatment |
| HOW | Honest Openness And Willingness |
| HP | Headache Prone |
| HP | Heavily Perforated |
| HP | Hemipelvectomy |
| HP | Hot Pack |
| HPA | HaemangioPericytomA |
| HPA | Hypothalamic - Pituitary - Adrenal (axis) |
| HPA | hypothalmic-pituitary-adrenal axis |
| HPAA | Hypothalamic-Pituitary-Adrenal Axis |
| HPAE | Human Pulmonary Arterial Endothelial |
| HPAS | Hypothalamic Pituitary Adrenocortical System |
| HPB | Hypophyseal Portal Blood |
| HPD | Highest Posterior Density |