| Acronym | Meaning |
| IDF | International Dairy Federation |
| HV | Vickers Hardness Number |
| ISTP | International Solar Terrestrial Physics |
| EGRET | Energetic Gamma Ray Experiment Telescope |
| RVD | Regulatory Volume Decrease |
| ICTS | Isothermal Capacitance Transient Spectroscopy |
| RCC | Renal Cell Carcinoma |
| EWIA | Eikonal (distorted) Wave Impulse Approxn. (for Scattering) |
| POH | Purgeable Organic Halogen(s) |
| TCEQ | Texas Commission On Environmental Quality |