| Acronym | Meaning |
| CARE | Computed-aided Risk Evaluation |
| BTDC | Bulk Thermal Desorption Chamber |
| SCRPA | Separated Channel RPA |
| SCCEH | Self-consistent Charge Extended Hueckel Method |
| IEL | Independent Electron (model In Ion-impact Ionization Calcns.) |
| NCLI | National Chemical Laboratory For Industry (Japan) |
| PO | Polarization Orbital |
| MUCS | Minimum-uncertainty Coherent States (wave Functions) |
| IAP | Islet-activating Protein |
| ISAAC | International Study Of Asthma And Allergies In Childhood |