| Acronym | Meaning |
| AMD | Age-related Macular Degeneration |
| CCD | Carbonate Compensation Depth |
| NHEXAS | National Human Exposure Assessment Survey |
| SCIA | Semiclassical Impact Approxn. (in Ionizing At. And Mol. Collision Calcns.) |
| DLTFS | Deep Level Transient Fourier Spectroscopy |
| HEAL | Human Exposure Assessment Location |
| SPDM | Single-particle Density Matrix |
| CGTO | Contracted Gaussian-type Orbital |
| ESR | Erythrocyte Sedimentation Rate |
| IHSS | International Humic Substances Society |