| Acronym | Meaning |
| CRR | Carbon Removal Rate |
| FCA | Frozen-core Appproximation |
| DMBE | Double Many-body Expansion (in Potential Energy Surface Calcn.) |
| ASEMP | Active Sites Environmental Monitoring Program |
| AODP | Advanced Ocean Drilling Program |
| PAZ | Protective Action Zone |
| VEELS | Valence Electron Energy-loss Spectroscopy |
| EGSB | Expanded Granular Sludge Bed |
| PLD | Pulsed Laser Deposition |
| LDAR | Leak Detection And Repair |