| Acronym | Meaning |
| PCP | Photoelectric Charging Of Particles |
| MALT | Mucosa-associated Lymphoid Tissue |
| GIABS | Gastro-Intestinal Absorptivity |
| SCLR | Single Configuration Linear Response (theory) |
| ONWI | Office Of Nuclear Waste Isolation |
| PDGFR | Platelet-derived Growth Factor Receptor |
| MQW | Multiple Quantum Well |
| MASH | MgO-Al2O3-SiO2-H2O System |
| MAD | Multiwavelength Anomalous Diffraction |
| AMOS | Automated Meteorological Observing System |