| Acronym | Meaning |
| EARTOF | Energy And Angle Refocusing Time-of-flight Mass Spectrometry |
| SAM | Sterile Alpha Motif |
| CCWP | Close-coupling Wave-packet (for Mol. Scattering) |
| MCEB | Multiconfiguration Energy Bound |
| GDEPT | Gene-directed Enzyme Prodrug Therapy |
| ISIS | Industrial Site Information System |
| CASS | Cyclic Activated Sludge System |
| SSCP | Static Screened Coulomb Potential |
| EIF | Electron Impact Fluorescence |
| ISAAC | International Study Of Asthma And Allergies In Childhood |