| Acronym | Meaning |
| GMAW | Gas Metal Arc Welding |
| ALE | Atomic Layer Epitaxy |
| AAR | Alkali-aggregate Reaction |
| DLMO | Density Localized Molecular Orbital |
| MTD | Maximum Tolerated Dose |
| VPC | Vapor-phase Chromatography |
| LINE | Long Interspersed Element |
| OMO | Orthogonalized Magnetic Orbital |
| ATTA | Atom Trap Trace Analysis |
| APLR | Annual Pollutant Loading Rate |