| Acronym | Meaning |
| IDLH | Immediately Dangerous To Life Or Health |
| UAM-IV | Urban Airshed Model Version IV |
| IMF | Interplanetary Magnetic Field |
| ESW | Electroslag Welding |
| VASS | Variable Angle Sampling Spinning |
| AEIC | Analytical Environmental Immunochemical Consortium |
| OSR | Office Of Science And Research |
| ALICE | Acid-labile Isotope-coded Extractants |
| FP | Fluorescence Polarizationpar |
| ASBOW | Axial Spin Bond-order Wave |