| Acronym | Meaning |
| LARVA | Light-absorption Ratio Variation Approach |
| UAMO | Unprojected Alternant Molecular Orbital |
| SMBC | Soil Microbial Biomass Carbon |
| RONALD | Rocketborne Optical Neutral Gas Analyzer With Laser Diodes |
| USW | Ultrasonic Welding |
| CPA | Coupled-pair Approximation |
| FNAL | Fermi National Accelerator Laboratory |
| SPORE | Solid-Phase Organic Reactions |
| AEAPS | Auger-electron Appearance-potential Spectroscopy |
| FCAW | Flux-cored Arc Welding |