| Acronym | Meaning |
| ALMA | Atacama Large Millimeter Array |
| HENA | High-energy Neutral Atom |
| NSCR | Nonselective Catalytic Reduction |
| PPMA | Parts Per Million Atomic |
| ESCOMPTE | (Experience Sur Site Pour Contraindre Les Modeles De Pollution Atmospherique Et De Transport D'emissions) |
| APC | Anaphase-promoting Complex |
| MRCEPA | Multireference Coupled-electron-pair Approxn. |
| QRHF-CC | Quasirestricted Hartree-Fock Coupled Cluster |
| PSS | Primary Sewage Sludge |
| AXS | Anomalous X-ray Scattering |