| Acronym | Meaning |
| ELF | Extremely Low Frequency |
| GGC | Generalized Gradient-corrected (density-functional) |
| SCBA | Self-Contained Breathing Apparatus |
| IHC | Interim Hazard Classification |
| ANPR | Advance Notice Of Proposed Rulemaking |
| DFA | Discontinuous Flow Analysis |
| NPTII | Neomycin-phosphotransferase II |
| AIEMP | Ab Initio Environment Model Potential |
| AMRIR | Advanced Medium Resolution Imaging Radiometer |
| FMAFSH | FeO-MgO-Al2O3-Fe2O3-SiO2-H2O System |