| Acronym | Meaning |
| MIRIS | Multiple Internal Reflection IR Spectroscopy |
| HTLV | Human T-lymphotropic Virus |
| SIDP | Sputter Ion Depth Profiling |
| OER | Oxygen Enhancement Ratio |
| CFHH | Correlation-function Hyperspherical Harmonic (method For Calcn. Of Wave Functions) |
| OAM | Optical Absorption Microscope |
| HILDA | High-Latitude Exchange/Interior Diffusion-Advection Model |
| RAO | Remedial Action Objective |
| HGSI | The Human Genome Sequencing Index |
| OCC | Organochlorinated Compound |