| Acronym | Meaning |
| IERM | Intermediate Energy R-matrix (theory In Scattering Calcns.) |
| GIP | Gastric Inhibitory Polypeptide |
| MPC | Maximum Permissible Concentration |
| CCDIS | Charge-coupled Device Imaging Spectrometer |
| CEPA | Canadian Environmental Protection Act |
| IGF | Irreducible Green Function |
| WSD | Wear Scar Diameter |
| CLIA | Chemiluminescence Immunoassay |
| NLM | Nonlinear Mapping |
| TIWSLS | Time-independent Wave Packet Schroedinger (and) Lippmann-Schwinger (equation) |