| Acronym | Meaning |
| AFM | Abrasive Flow Machining |
| EMTB | Effective-medium Tight-binding |
| TON | Threshold Odor Numbers |
| LEPS | London-Eyring-Polanyi-Sato (potential-energy Surface) |
| MET | Many Electron Theory (for Singlet Ground State) |
| SESR | Solvent Extraction And Soil Remediation |
| RBC | Rotating Biological Contactor |
| ESQUIRE | External Source QUIstor With Resonance Ejection |
| BPO | Benzoyl Peroxide |
| MPHF | Maximally Paired Hartree Fock |