| Acronym | Meaning |
| WQA | Water Quality Association |
| DAC | Diamond Anvil Cell |
| WAO | Wannier Atomic Orbital |
| PPQ | Parts Per Quadrillion |
| RBCA | Risk-based Corrective Action |
| AAS | Atomic Absorption Spectroscopy |
| CETA | Carbon Emission Trajectory Assessment Model |
| ERL | Environmental Research Laboratory |
| CESR | Cornell Electron Storage Ring |
| MSSA | Methicillin-susceptible Staphylococcus Aureus |