| Acronym | Meaning |
| ESA | Energy Sudden Approxn. (in Calcns. On Reactive Scattering) |
| AE-CI | All Electron-configuration Interaction |
| TCC | Thermofor Catalytic Cracking |
| MOR | Modulus Of Rupture |
| MOV | Motor Operated Valve |
| TOFA | Tall Oil Fatty Acids |
| FTICR | Fourier Transform Ion Cyclotron Resonance |
| CNDO | Complete Neglect Of Differential Overlap |
| WBG | Wide-band Gap |
| ECP | Eosinophil Cationic Protein |