| Acronym | Meaning |
| SHC | Symmetrized Hyperspherical Coordinates (in Quantum Calcns. On Reactive Scattering) |
| ACME | Aquatic Cycling Of Mercury In The Everglades |
| WPI | Waste Policy Institute |
| EDQNM | Eddy-damped Quasinormal Markovian [mathematics In Engineering] |
| BRI | Building-related Illness |
| PMMA | Poly (methyl Methacrylate) |
| PPT | Parts Per Trillion |
| LEAP | Local-electrode Atom Probe |
| MIPMS | Microwave Induced Plasma Mass Spectrometry |
| BOCV | Biorthogonality Constrained Variation Method |