| Acronym | Meaning |
| PDS | Photothermal Deflection Spectroscopy |
| NADC | National Animal Disease Center |
| MOS | Metal Oxide Semiconductor (FET Devices) |
| EFTA | European Free Trade Association |
| XEOL | X-ray Excited Optical Luminescence |
| CLA | Conjugated Linoleic Acid |
| PODS | Periodic Orbit Dividing Surfaces (in Potential Surface Calcn.) |
| ERPF | Effective Renal Plasma Flow |
| ITRI | Inhalation Toxicology Research Institute |
| TFE | Thermionic Fuel Element |